Stepped drill bit, spiral
Stepped twist drill HSCo plain inch Ruko
TWSTSTEPDRIL-RUKO-101705E-HSSE-D5/16-1
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The deep-ground and spiral groove offers absolute smoothness and high cutting performance. In particular, non-breaking chips are transported away cleanly as with a twist drill bit. This reduces the formation of built up edges and cold welds on cutting edges. The taper facilitates retraction in drilled-through sheet metal.
Datasheets(X)
Min./max. drill diameter | 5/16-1 in |
Shank diameter | 3/8 in |
Shaft length | 20 mm |
Length | 3 1/4 in |
Shank style | 3-face shank |
Surface | Plain |
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