“WORM DRILLS”

“WORM DRILLS”

This topic has 3 replies, 3 voices, and was last updated 19 December 2015 at 16:35 by mechman48.

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19 December 2015 at 16:27 #24283
Dougie Swan
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@dougieswan43463
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19 December 2015 at 16:27 #217075
Dougie Swan
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@dougieswan43463
I got some drills recently that were described as worm drills

They are basic HSS but have a lower helix compared to normal drills. They are not as low as those designed for brass

Anyone any idea of their specific aplication?

Dougie
19 December 2015 at 16:32 #217077
JasonB
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I think the RSPCA have put a stop to their use.
19 December 2015 at 16:35 #217078
mechman48
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Do you mean 'slow helix' drills… for aluminium, & other soft alloys?

George.
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