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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...

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-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...

Combo, Hydro Horn Set servo horn, heavy duty, aluminum, polymer, 25T 25 tooth, 25 spline, model airplane, model truck, model boat, hydro boat
Price: $14.99
Availability: In stock
Item #: PDRS-HH -

Combines a steering-horn rated to 3000oz-in, plus one HVE-rated for throttle. Best servo horn steer/throttle solution made - ideal for the biggest and baddest hydros. Included are: PDRS25-25T Ultraduty-25 servo horn (3000oz-in)PDRS105 HVE-rated throttle horn (High Vibration Environment) This is everything needed to harness a record breaking heavyweight hydro at +100mph. In brief, this ultraduty25 horn is rated to 3000 ounce-inches (making it ideal for stump pulling duty). Meanwhile, the...

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-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...

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-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...

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, 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...

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...

Arm, servo, 10-20mm
Price: $7.99
Availability: In stock
Item #: PDRS201 -

secures to the 25T spline with an M3 bolt, the three mounting points are at 10, 15, and 20mm from center. These are etched corresponding to 2.7X, 1.7X, and 1.3X respectively. CNC machined from a solid billet of 6061-T6 aircraft aluminum, this arm is strong and light and works to promote a servo's strengths by multiplying torque at all three mounting points. Bored for M3 mounting hardware (but 4-40 fits), and as always, use threadlocker. Fits any equipped with 25T compatible...

Arm, servo, 3-3/4"
Price: $9.99
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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...