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Arm, servo, 14F-15T
Price: $14.99
Availability: In stock
Item #: PDRS14F-15T -

Fits Traxxas UDR - this ultra duty SINGLE-HORN aluminum servo arm is CNC-machined from a solid billet of 7075-T6 aircraft aluminum, broached for the mega spline (15T ø8mm), and threaded in two places for M3 mounting hardware on 5mm centers. Installation is axially on 8mm diameter, 15T-spline shaft (lightly greased), and secured with an M3 Allen-head machine-thread bolt. Disassembly is the reverse, remove securing bolt. Mounting positions (M3 thread) 14mm 12mm ...

Arm, servo, 16F-15T
Price: $14.99
Availability: In stock
Item #: PDRS16F-15T -

Traxxas SLEDGE - this ultra duty SINGLE-HORN aluminum servo arm is CNC-machined from a solid billet of 7075-T6 aircraft aluminum, broached for the mega spline (15T ø8mm), and threaded for M3 mounting hardware on 5mm centers. Installation is axially on 8mm diameter, 15T-spline shaft (lightly greased), and secured with an M3 Allen-head machine-thread bolt. Disassembly is the reverse, remove securing bolt. Mounting positions (M3 thread) 16mm ...

Arm, servo, 19F-15T
Price: $19.99
Availability: In stock
Item #: PDRS19F-15T -

This ultra duty SINGLE-HORN aluminum servo arm is CNC-machined from a solid billet of 7075-T6 aircraft aluminum, broached for the mega spline (15T ø8mm), and threaded in two places for M3 mounting hardware on 5mm centers. Installation is axially on 8mm diameter, 15T-spline shaft (lightly greased), and secured with an M3 Allen-head machine-thread bolt. Disassembly is the reverse, remove securing bolt. Mounting positions (M3 thread) 14mm 19mm ...

Arm, servo, 19F-25T
Price: $14.99
Availability: In stock
Item #: PDRS19F-25T -

CNC-machined from a solid billet of aircraft aluminum, installation is axially on the output shaft, which we advise first lightly greasing, and then securing with an M3 Allen-head machine-thread bolt. We also advise using a locking device (lock or star washer) or chemical threadlocker. Disassembly is the reverse. - There are 3 standard size ProModeler servos suitable for an X-MAXX  Note; and by way of heads up . . . we advise not using this control horn for servos other than our...

Screw, Servo, #2x3/4"
Price: $1.99
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(1)
Availability: In stock
Item #: PDRS2020 -

Unlike competitors, we have these servo-mounting screws custom forged right here in the USA. While there are 4 in a pack (enough for one servo), they're also available in quantities of 25, 100, and even 1000 (for professionals builders) because they're useful for a lot of other stuff like mounting cowls, landing gear straps, etc. What motivated us to make these? I was installing servos using a long skinny Phillips head screwdriver. It slipped off and punched a neat hole through the top of the...

Arm, servo, 22R-15T (2 round)
Price: $14.99
Availability: In stock
Item #: PDRS22R-15T -

This heavy duty ROUND aluminum servo arm is CNC-machined from a solid billet of 7075-T6 aircraft aluminum, broached for the mega spline (15T ø8mm), and threaded in eighteen places for M3 mounting hardware on 30° arcs. Installation is axially on 8mm diameter, 15T-spline shaft (lightly greased), and secured, with M3 Allen-head machine-thread bolt. Disassembly is the reverse, remove securing bolt. Mounting positions (M3 thread) both horns 17mm on 30° arcs22mm on 30° arcs ...

Arm, servo, 25-15T (1")
Price: $8.99
Availability: In stock
Item #: PDRS25-15T -

This ultra duty SINGLE-HORN aluminum servo arm is CNC-machined from a solid billet of 7075-T6 aircraft aluminum, broached for the mega spline (15T ø8mm), and threaded in three places for M3 mounting hardware on 5mm centers. Installation is axially on 8mm diameter, 15T-spline shaft (lightly greased), and secured, then cinched with M3 Allen-head machine-thread bolts. Disassembly is the reverse, loosen cinch bolt, then remove securing bolt. Mounting positions (M3 thread) 15.4mm 20.4mm 25.4mm...

Arm, servo, 25-25T (1")
Price: $8.99
Availability: In stock
Item #: PDRS25-25T -

This heavy duty SINGLE-HORN aluminum servo arm is CNC-machined from a solid billet of 7075-T6 aircraft aluminum, broached for the standard spline (25T ø6mm), and threaded in three places for M3 mounting hardware on 5mm centers. Installation is axially on 6mm diameter, 25T-spline shaft (lightly greased), and secured, then cinched with M3 Allen-head machine-thread bolts. Disassembly is the reverse; loosen cinch bolt, then remove securing bolt. Mounting positions (M3 thread) 15.4mm 20.4mm 25.4mm...

Arm, servo, 25D-15T (1"x2)
Price: $12.99
Availability: In stock
Item #: PDRS25D-15T -

This heavy duty DOUBLE-HORN aluminum servo arm is CNC-machined from a solid billet of 7075-T6 aircraft aluminum, broached for the standard spline (25T ø6mm), and threaded in six places for M3 mounting hardware on 5mm centers. Installation is axially on 6mm diameter, 25T-spline shaft (lightly greased), and secured, then cinched with M3 Allen-head machine-thread bolts. Disassembly is the reverse, loosen cinch bolts, then remove securing bolt. Mounting positions (M3 thread) both horns 15.4mm...

Arm, servo, 25D-25T (1"x2)
Price: $12.99
Availability: In stock
Item #: PDRS25D-25T -

This heavy duty DOUBLE-HORN aluminum servo arm is CNC-machined from a solid billet of 7075-T6 aircraft aluminum, broached for the standard spline (25T ø6mm), and threaded in six places for M3 mounting hardware on 5mm centers. Installation is axially on 6mm diameter, 25T-spline shaft (lightly greased), and secured, then cinched with M3 Allen-head machine-thread bolts. Disassembly is the reverse, loosen cinch bolts, then remove securing bolt. Mounting positions (M3 thread) both horns 15.4mm...

Washer, Star, M3 (10)
Price: $1.99
Availability: In stock
Item #: PDRS03SW -

M3 star washers, pack 10 - useful for added security against vibration with any M3 fastener (doesn't include the servo-screw depicted in the photo).

Arm, servo, 40-15T (1-1/2")
Price: $10.99
Availability: In stock
Item #: PDRS40-15T -

This ultra duty SINGLE-HORN aluminum servo arm is CNC-machined from a solid billet of 7075-T6 aircraft aluminum, broached for the mega spline (15T ø8mm), and threaded in six places for M3 mounting hardware on 5mm centers. Installation is axially on 8mm diameter, 15T-spline shaft (lightly greased), and secured, then cinched with M3 Allen-head machine-thread bolts. Disassembly is the reverse, loosen cinch bolt, then remove securing bolt. Mounting positions (M3 thread) 15.4mm 20.4mm 25.4mm...

Arm, servo, 40-25T (1-1/2")
Price: $10.99
Availability: In stock
Item #: PDRS40-25T -

This heavy duty SINGLE-HORN aluminum servo arm is CNC-machined from a solid billet of 7075-T6 aircraft aluminum, broached for the standard spline (25T ø6mm), and threaded in six places for M3 mounting hardware on 5mm centers. Installation is axially on 6mm diameter, 25T-spline shaft (lightly greased), and secured, then cinched with M3 Allen-head machine-thread bolts. Disassembly is the reverse, loosen cinch bolt, then remove securing bolt. Mounting positions (M3 thread) 15.4mm 20.4mm 25.4mm...

Arm, servo, 40D-15T (1-1/2"x2)
Price: $13.99
Availability: In stock
Item #: PDRS40D-15T -

This ultra duty DOUBLE-HORN aluminum servo arm is CNC-machined from a solid billet of 7075-T6 aircraft aluminum, broached for the mega spline (15T ø8mm), and threaded in twelve places for M3 mounting hardware on 5mm centers. Installation is axially on 8mm diameter, 15T-spline shaft (lightly greased), and secured, then cinched with M3 Allen-head machine-thread bolts. Disassembly is the reverse, loosen cinch bolts, then remove securing bolt. Mounting positions (M3 thread) both horns 15.4mm...

Arm, servo, 40D-25T (1-1/2"x2)
Price: $13.99
Availability: In stock
Item #: PDRS40D-25T -

This heavy duty DOUBLE-HORN aluminum servo arm is CNC-machined from a solid billet of 7075-T6 aircraft aluminum, broached for the standard spline (25T ø6mm), and threaded in twelve places for M3 mounting hardware on 5mm centers. Installation is axially on 6mm diameter, 25T-spline shaft (lightly greased), and secured, then cinched with M3 Allen-head machine-thread bolts. Disassembly is the reverse, loosen cinch bolts, then remove securing bolt. Mounting positions (M3 thread) both horns 15.4mm...

Screw, Horn, 5.5mm, Button
Price: $1.99
Availability: In stock
Item #: PDRS3055BH -

Allen, supplied 2 in a pack, click the pull down menu for quantities of 25, 100, 1000. These are the best screws available for securing the servo-arm to the splined output-shaft of metal gear servos because they're Made in the USA of high strength grade 10.9 alloy steel and have a blue patch of thread-locker preapplied (for vibration resistance). Competitors and experienced customers alike know ProModeler include the industry's best servo mounting-screws (#2x3/4" Allen head -...

Arm, servo, 60-15T (2-3/8")
Price: $14.99
Availability: In stock
Item #: PDRS60-15T -

This ultra duty SINGLE-HORN aluminum servo arm is CNC-machined from a solid billet of 7075-T6 aircraft aluminum, broached for the mega spline (15T ø8mm), and threaded in eight places for M3 mounting hardware on 5mm centers. Installation is axially on 8mm diameter, 15T-spline shaft (lightly greased), and secured, then cinched with M3 Allen-head machine-thread bolts. Disassembly is the reverse, loosen cinch bolt, then remove securing bolt. Mounting positions (M3 thread) 15.4mm 20.4mm 25.4mm...

Arm, servo, 60-25T (2-3/8")
Price: $14.99
Availability: In stock
Item #: PDRS60-25T -

This ultra duty SINGLE-HORN aluminum servo arm is CNC-machined from a solid billet of 7075-T6 aircraft aluminum, broached for the mega spline (15T ø8mm), and threaded in eight places for M3 mounting hardware on 5mm centers. Installation is axially on 8mm diameter, 15T-spline shaft (lightly greased), and secured, then cinched with M3 Allen-head machine-thread bolts. Disassembly is the reverse, loosen cinch bolt, then remove securing bolt. Mounting positions (M3 thread) 15.4mm 20.4mm 25.4mm...

Arm, servo, 60D-15T (2-3/8"x2)
Price: $16.99
Availability: In stock
Item #: PDRS60D-15T -

This ultra duty DOUBLE-HORN aluminum servo arm is CNC-machined from a solid billet of 7075-T6 aircraft aluminum, broached for the mega spline (15T ø8mm), and threaded in sixteen places for M3 mounting hardware on 5mm centers. Installation is axially on 8mm diameter, 15T-spline shaft (lightly greased), and secured, then cinched with M3 Allen-head machine-thread bolts. Disassembly is the reverse, loosen cinch bolts, then remove securing bolt. Mounting positions (M3 thread) both horns 25.4mm...

Arm, servo, 60D-25T (2-3/8"x2)
Price: $16.99
Availability: In stock
Item #: PDRS60D-25T -

This heavy duty DOUBLE-HORN aluminum servo arm is CNC-machined from a solid billet of 7075-T6 aircraft aluminum, broached for the standard spline (25T ø6mm), and threaded in sixteen places for M3 mounting hardware on 5mm centers. Installation is axially on 6mm diameter, 25T-spline shaft (lightly greased), and secured, then cinched with M3 Allen-head machine-thread bolts. Disassembly is the reverse, loosen cinch bolts, then remove securing bolt. Mounting positions (M3 thread) both horns 25.4mm...

Screw, Horn, 6mm, Phillips
Price: $1.99
Availability: In stock
Item #: PDRS3006PH -

Allen, supplied 2 in a pack, click the pull down menu for quantities of 25, 100, 1000. These are the best screws available for securing the servo-arm to the splined output-shaft of metal gear servos because they're Made in the USA of high strength grade 10.9 alloy steel and have a blue patch of thread-locker preapplied (for vibration resistance). Competitors and experienced customers alike know ProModeler include the industry's best servo mounting-screws (#2x3/4" Allen head -...

Screw, Horn, 8mm, Button
Price: $2.49
Availability: In stock
Item #: PDRS3008BH -

Allen, supplied 2 in a pack, click the pull down menu for quantities of 1, 5, 25, 100, 1000. These are the best screws available for securing the servo-arm to the splined output-shaft of metal gear servos because they're Made in the USA of high strength grade 10.9 alloy steel and have a blue patch of thread-locker preapplied (for vibration resistance). Competitors and experienced customers alike know ProModeler include the industry's best servo mounting-screws (#2x3/4" Allen head -...

PDRS101 Arm, servo, 12-24mm
Price: $0.99
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Availability: In stock
Item #: PDRS101 -

Made of heavy duty plastic (technically a fiber-filler engineering polymer like is found in 9mm handgun frames), this tough servo horn is suitable up to 630oz-in. Dimensions: ø6mm, 25-spline (Futaba-compatible) 1st bore: 12mm2nd bore: 15mm3rd bore: 18mm4th bore: 21mm5th bore: 24mm

Arm, servo, 23-49mm
Price: $1.99
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(3)
Availability: In stock
Item #: PDRS102 -

Made of heavy duty plastic (technically a fiber-filler engineering polymer like is found in 9mm handgun frames), this tough double-arm servo horn is suitable up to 400oz-in.Dimensions: ø6mm, 25-spline (Futaba-compatible)1st bore pair across: 24mm2nd bore pair across: 30mm3rd bore pair across: 37mm4th bore pair across:43mm5th bore pair across: 49mm

Arm, servo, small 2-horn, nylon
Price: $1.99
Availability: In stock
Item #: PDRS103 -

2-horn servo arm, small, quantity 1, black nylon 6,6, 25T spline

Arm, servo, 4-horn, nylon
Price: $1.99
Availability: In stock
Item #: PDRS104 -

4-horn servo arm, quantity 1, black nylon 6,6, 25T spline

PDRS105 Arm, servo, 15-20mm
Price: $1.99
Availability: In stock
Item #: PDRS105 -

Made of heavy duty plastic (technically a fiber-filler engineering polymer like is found in 9mm handgun frames), this super tough servo horn is ideal for use in steering mechanism of RC trucks - suitable for servos up to 630oz-in. Dimensions: ø6mm, 25-spline (Futaba-compatible) 1st bore: 15mm2nd bore: 20mm Nothing is unbreakable. Least of all a servo - ours or anybody's. Yet we see guys attempting to create an unbreakable truck by replacing plastic components with aluminum ones - and the first...

Arm, servo, 6-horn, nylon
Price: $1.99
Availability: In stock
Item #: PDRS106 -

6-horn servo arm, quantity 1, black nylon 6,6, 25T spline

21mm diameter servo horn
Price: $1.99
Availability: In stock
Item #: PDRS107 -

21mm in OD, the round servo-horn is often referred to as a wheel-arm. Injection molded in rugged nylon 6.6, which is a type of heavy duty plastic (fiber-filler engineering polymer), this is the same stuff used in 9mm handgun frames because it's so tough. Simple in appearance but complex in execution (what makes making these actually rather pricey), the molding for this arm has a total of 13 bores (that's what we call them, but everybody else calls them holes). Of course, there's one on center...

Screw, Horn, 16mm, Button
Price: $3.29
Availability: In stock
Item #: PDRS3016BH -

Allen, supplied 2 in a pack, click the pull down menu for quantities of 1, 5, 25, 100, 1000. These are the best screws available for securing the servo-arm to the splined output-shaft of metal gear servos because they're Made in the USA of high strength grade 10.9 alloy steel and have a blue patch of thread-locker preapplied (for vibration resistance). Competitors and experienced customers alike know ProModeler include the industry's best servo mounting-screws (#2x3/4" Allen head -...

Arm, servo, 3-3/4"
Price: $9.99
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(1)
Availability: In stock
Item #: PDRS204 -

This polished aluminum giant-scale double-side servo arm is red anodized and laser etched after being CNC-machined from a solid billet of 6061 T6 aircraft aluminum. Broached to fit ProModeler (and Futaba) servos (25-splines), this unit is perfect for heavy duty applications like the rudder because because it features dual clamps to help secure the servo arm to the splines (necessary for extreme flight loads). Drilled and tapped for 4-40 threads, this is a smart choice when high flight loads...

Arm, servo, 9-18mm
Price: $2.99
Availability: In stock
Item #: PDRS301 -

NOTE: this servo arm has a 5mm vs. 6mm spline - it's expressly for DS145CLHV micro servos only!Injection molded of fiber-filler engineering polymer, this white color single-horn micro-servo servo arm is a great choice for high performance models. Designed with 4-holes for plenty of adjustment, it's strong enough for high flight loads, but designed to break during hard impact (acting like a fuse) thus, helping protect the servo. Dimensions: ø5mm, 25-spline-micro 1st hole: 9mm2nd hole:...

Arm, servo, 7-15mm
Price: $1.99
Availability: Out of Stock
Item #: PDRS302 -

NOTE: this servo arm has a 5mm vs. 6mm spline - it's expressly for DS145CLHV micro servos only!Injection molded of fiber-filler engineering polymer, this double-horn servo arm is a great choice for high performance models. Designed with 4-holes on each side for plenty of adjustment, it's strong enough for high flight loads, but designed to break during hard impact (acting like a fuse) thus, helping protect the servo. Dimensions: ø5mm, 25-spline-micro 1st hole: 7mm2nd hole: 10mm3rd hole:...

Arm, servo, 16-26mm
Price: $4.99
Availability: In stock
Item #: PDRS303 -

NOTE: this servo arm has a 5mm vs. 6mm spline - it's expressly for DS145CLHV micro servos only!Injection molded of fiber-filler engineering polymer, this double-horn servo arm is a great choice for high performance models. Designed with 4-holes on each side for plenty of adjustment, it's strong enough for high flight loads, but designed to break during hard impact (acting like a fuse) thus, helping protect the servos. Dimensions: ø5mm, 25-spline-micro 1st hole: 5/8" (16mm) 2nd hole: 3/4"...

Arm, servo, 7-9mm
Price: $1.99
Availability: In stock
Item #: PDRS304 -

NOTE: this servo arm has a 5mm vs. 6mm spline - it's expressly for DS145CLHV micro servos only!Injection molded of fiber-filler engineering polymer, this double-horn servo arm is a great choice for high performance models. Designed with 4-holes on each side for plenty of adjustment, it's strong enough for high flight loads, but designed to break during hard impact (acting like a fuse) thus helping protect the servos. Dimensions: ø5mm, 25-spline-micro 1st hole: 7mm2nd hole: 9mm ...

Arm, servo, 23-32mm
Price: $8.99
Availability: In stock
Item #: PDRS305 -

NOTE: this servo arm fits our DS115CLHV wing servo, which has a 5mm spline instead of the usual 6mm diameter 25T Futaba compatible spline (as used by most of our servos except the big ass 1/5th class servos, which use our even larger 8mm spline). The spline pattern for this arm is tiny so unless you want the hassle of a return to contend with, don't buy them . . . capice? This polished aluminum servo arm is red anodized and laser etched after being CNC-machined from a solid billet of 6061 T6...

Arm, servo, 46-64mm
Price: $9.99
Availability: In stock
Item #: PDRS306 -

NOTE: this servo arm fits our DS115CLHV wing servo, which has a 5mm spline instead of the usual 6mm diameter 25T Futaba compatible spline (as used by most of our servos except the big ass 1/5th class servos, which use our even larger 8mm spline). The spline pattern for this arm is tiny so unless you want the hassle of a return to contend with, don't buy them . . . capice? This polished aluminum servo arm is red anodized and laser etched after being CNC-machined from a solid billet of 6061 T6...

Arm, Servo, Latch-L
Price: $19.99
Availability: In stock
Item #: PDRS195L-25T -

This servo arm, latch, LEFT features a slot designed for a release pin 19.5mm from center. Ideal for bomb and tow hook release mechanisms. - This latch arm, left, is slotted at 19.5mm (also show is right) - referred to as starboard and port for right and left - CNC machined of 6061-T6 aircraft aluminum we broach the inner splines - the trick to the nifty coils for the servo lead is just a bit of heat ...

Arm, Servo, Latch-R
Price: $19.99
Availability: In stock
Item #: PDRS195R-25T -

This servo arm, latch, RIGHT features a slot designed for a release pin 19.5mm from center. Ideal for bomb and tow hook release mechanisms.- This latch arm, left, is slotted at 19.5mm (also show is right) - referred to as starboard and port for right and left - CNC machined of 6061-T6 aircraft aluminum we broach the inner splines - the trick to the nifty coils for the servo lead is just a bit of heat ...