6931-0900, Hand-E Expanding Arbors & Sets Metrology/Material Testing Gear Teeth Portable Hardness Tester/Long

Gear Teeth Portable Hardness Tester/Long Nose Portable Hardness Testers

With aggressive 135° split points

Heavy-duty

Includes wood case

painted frame

6931-0900, Hand-E Expanding Arbors & Sets Metrology/Material Testing Gear Teeth Portable Hardness Tester/Long8 Pieces Hand E Expanding Arbors & Sets, #6931 0900 Operation Chuck arbour in the machine to be used. Tighten expanding screw so that arbour expands 0. 005". Machine arbour to length and size required. Loosen expanding screw. Position part on the arbor and tighten expanding screw. Size: 1 4", 3 8", 1 2", 5 8", 3 4", 7 8", 1", and 1 1 4" arbors with 4 alloy wrenches in a handy wooden stand. Item # D L Expanding Range Size of Wrench 6831 0900 1 4" 3" 0.