The SPI 21-275-3 14 Pc. Contact Point Set has the following specifications:
Thread: 4-48
Includes M2.5 thread to 4-48 thread adapter, 3/8″ dia. flat bottom x 3/8″ long, 1/2″ dia. flat bottom x 3/8″ long, 1/2″ button contact point, 3/8″
button contact point, 60? cone point x 1/2″ long, .118″ ball x .280″ long, 1/32″ tapered contact x 5/8″ long, 1/32″ cone point x 5/16″ long, 3/16″
dia. radius point x 1″ long, 3/16″ dia. radius point x 3/4″ long, 3/16″ dia. 1/2″ long, 3/16″ dia. 1/4″ long, 3/16″ dia. radius point x 1/8″ long
Organized with aluminum ring
Features:
High grade steel, hardened, ground and black oxide finish
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