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Countersink Bits - .25" Hex Shank

Countersink Bits - .25" Hex Shank

HSS 1/4” Hex Drive 90° Countersinks - Wiha 786

High quality HSS steel, ground with radial relief. 1/4” Hex shank according to DIN 3126 C 6.3.

SizeInchLength (inch)Screw SizePart #
6.3 0.26 1.38 M3 78615
8.3 0.33 1.38 M4 78617
10.4 0.41 1.38 M5 78619
12.4 0.49 1.38 M6 78621
16.5 0.65 1.38 M8 78622
20.5 0.81 1.38 M10 78624

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