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HOFFMANN – 133352 4-40

Description

HOLEX Machine Taps HSS-E 4-40

Technical specification

Technical Data:

Thread Ø 2.84 mm
Number of cutting edges Z 3
Threads per inch 40
Number of clamping slots 3
Thread pitch 0.635 mm
Tapping hole Ø 2.35 mm
Standard DIN 371
Tool material HSS E
Shank Ø Ds 3.5 mm
Overall length L 36 mm
Shank square □ 2.7 mm
Thread depth 8.52 mm
Thread type UNC
Thread size 4-40 UNC
Coating Uncoated
Flank angle 60 °
Tolerance class 2B
Taper lead form B
Shank Plain shank with h9
Through-coolant No
Application for type of drilling Up to 3XD for through holes
Cutting direction Right-hand
Type of threading tool Machine tap for conventional machining
Colour ring Without
Type of product Tap

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