Quarter Scale Servoblock Schematics
Quarter Scale ServoBlocks - connected
Quarter Scale ServoBlocks - ball bearing
Quarter Scale ServoBlocks - Top view
Quarter Scale ServoBlocks2
ServoBlocks Logo small








Perfect for robotics, animation, pan & tilt, and just about any project requiring servo power!

Kit Includes:
(1) Servo Plate
(1) Ball Bearing Plate
(1) Servo Spline Shaft Hub
(2) Hub Plates
(12) 6-32 Screws

Weight (no servo): 1.55 oz

Servo Plate

Servo Spline Shaft Hub
(0.770” pattern)

6-32 Screws

Hub Plate
(0.770” pattern)

Introducing our new patented Quarter Scale ServoBlocks™!  ServoBlocks™ increase a servo’s load-bearing capabilities by helping to isolate the lateral load from the servo spline and case. The extreme versatility of ServoBlocks™ allow users to create complex, extremely rigid, structures with ease using standard Hitec servos. The ½” aluminum hub shaft provides multiple mounting options using 6-32 screws. The robust 6061 T-6 aluminum framework acts as a servo exoskeleton, greatly enhancing the mechanical loads the servo can withstand.  ServoCity’s new .770” hub pattern is repeated throughout the framework to allow endless attachment options.  The new Quarter Scale ServoBlocks™ are compatible with the following Hitec servos: HS-755MG, HS-755HB, HS-765HB, HS-785HB. When used with a Hitec HS-785HB servo, the user can achieve 3.5 rotations without any modification. The kit ships unassembled and the servo is not included. ServoBlocks™ are a must have for any project that demands the most out of your servo! Servo not included. Patented.

Ball-bearing supported output shaft.

6-32 Tapped

Hitec ServoBlocks Kit


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ServoCity video - click to play
Hitec Logo

Ball Bearing

Quarter Scale ServoBlocks with tubing

Shown with a
Tube Clamping Hub (.770”) and 0.5” Hollow Aluminum Tubing

ServoBlocksTM utilize a
0.770” hub pattern.

770 pattern
channel on ServoBlockTM

ServoBlocksTM work in conjunction with our new aluminum channel.

This product (#637118) was previously SB618SH.

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ServoCity is a registered trademark of Robotzone, LLC.

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Quarter Scale ServoBlocks
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