HARDENED TOOL STEEL

ROUND DESIGN - COUNTER BORE

P/N

DIMENSIONS

(A)

(B)

C' BORE TO FIT

TOOTH PATTERN

540-40

3/4

1/2

#10 SHCS

FINE

540-41

3/4

1/2

#10 SHCS

EXTRA FINE

540-43

1

1/2

1/4 SHCS

FINE

540-44

1

1/2

1/4 SHCS

EXTRA FINE