Page 901 - Benma | Blue book 5.0

HSS countersinks Tel. +41 44 736 63 63 • Fax +41 44 736 63 00 • sales@brw.ch
1 77220 Countersink 90°

P K N
≤ 850 Cu, AI

For tap holes, fine, DIN 1866, HSS, with straight shank and fixed pilot journal. For countersinks
sized to DIN 74.
Order ID for thread D d1 d2 L l1 Z
mm mm mm mm mm
177220.0100 M3 6 2.5 6 71 14 3
177220.0200 M3.5 7 2.9 7 71 14 3
177220.0300 M4 8 3.3 8 71 14 3
177220.0400 M5 10 4.2 10 80 18 3
177220.0500 M6 11.5 5 11.5 80 18 3
177220.0600 M8 15 6.8 12.5 100 22 3
177220.0700 M10 19 8.5 12.5 100 22 3

892 Brütsch/Rüegger Tools Ltd. • Heinrich Stutz-Strasse 20 • P.O. Box • CH-8902 Urdorf • www.brw.ch