V-Groove Gripper Finger
A bolt-on L-shaped jaw finger (print ×2) for the 'NEMA17 Rack-and-Pinion Parallel Gripper' kit. Its 28 × 36 × 5 mm flange fixes to the LM8UU jaw carriage with two M3x12 screws into brass heat-set inserts, through 3.4 mm counterbored holes 24 mm apart. The 6 mm blade reaches 65 mm forward and has a 90°, 3 mm deep V-groove that centres round stock, plus three grip ribs. The fingers close to a 4 mm gap and open to 56 mm.
robotics kit gripper finger