For professional plunging we recommend our product line 3167 with carbide tipped front side cutting edge
Please do not use drills with a smaller Ø than 8 mm in the power drill
Specially suitable for freehand boring with a drilling machine
spring and a core drill HSS with roof tip
75172 - ProHold® Tip Graduated Length T-Handle w/ProGuard™ Finish
FAMAG Brad point drill Bit Long version, chrome vanadium steel, OØ8, OAL250 mm, 3491008 Hole Saws For professional plunging we recommendFAMAG Brad point drill Bit Long version, chrome vanadium steel, O8, OAL250 mm, 3491008 With brad point, two main edges and protruding cutting edges. For exact drilling in soft wood and some European hard wood. The low cost long brad point drill bit. For high demands we recommend our product line 1594 HSS G. Chrome Vanadium steel. RPM 1500 4000 rpm e. g. 5 mm 4000 rpm in soft wood. Further details in the speed diagram