PRECISION MEASURING INSTRUMENTS

Reversible Tapping Attachment

BHI-PMI-128
Qty Comments

RECOMMENDED TAPPING SPEEDS FOR DIFFRENT MATERIALS
These speeds are approx. and intended as a general guide only. The most effective speeds should be determined by actual and tapping fluid. The taps used should be of High-speed steel.

Thread Inches Metric

1/16
1.7

3/16
4

1/4
6

5/16
8

3/8
10

1/2
12

5/8
16

Steel750525450375300225200
Cast Iron950870750625525450360
Brass11501000900750650540450

CapacityNet Weight ( Kgs.)
3-10mm2.20
6-16mm4.00



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