The shank is electrically conducted to the metal workpiece through the chuck and table, the LED lights up and the beeper sounds(only for 6566-3), when the ball touches the workpiece.
Not suitable for rotary use.
Hardened shank and contact ball.
Related products
Paint Preparation
3M 26120, PPS Series 2.0 Adapter, Type S28, 17.5 mm Female, 19 TPI Thread, 7100135956
$27.52

3M 35083, EMI Copper Foil Shielding Tape 1181, 1/4 in x 18 yd (6,35 mm x 16,5 m), 7000132168
3M 26583, Accuspray Refill Pack for PPS Series 2.0, Green, 1.3 mm, 7100152953
Dynabrade 53270 7" (180 mm) Dia. Right-Angle Disc Sander
3M 88905, PSA Cloth Disc 348D, 40 X-weight, 12 in x NH, Die 1200B, 7010294665
Insize 4808, WIRE GAGE, 0-36(.3249~.0050"), 6928640330155
3M 87209, Cubitron II Depressed Center Grinding Wheel, T27, 4-1/2 in x 1/4 in x 7/8 in, Single Pack, 7010299049, 10 per case
3M 77197, Scotch-Brite™ Roloc™ Deburr and Finish PRO Unitized Wheel,TR, 3 in x 1/8 in x NH, 8C CRS+, 7100109130, 40/box
Standard Abrasives 726028, A/O C3 Straight Precision Cartridge Roll, 13/16 in x 2-1/2 in x 1/4 in 180, 7100098760
3M 11412, Roloc Disc 361F, 36 YF-weight, TR, 1 in, Die R100N, 7000045092
3M 15041, Scotch Electrical Shielding Tape 24, 1 in x 15 ft (25 mm x 4,6 m), 7000031348
3M 26003, PPS Series 2.0 Adapter, Type S2c, 16 mm Female, 1.5 mmThread, 7100135338
3M 72600, 663FC 1/2" X 30", 70u Diamond Trizact Belt, 7100206529 