Arms

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 ...

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...

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...

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 ...

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...

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...

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...

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).

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...

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...

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...

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...

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 -...

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...

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...

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...

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...

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 -...

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 -...

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

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

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

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

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...