Page 900 - Benma | Blue book 5.0

HSS countersinks Tel. +41 44 736 63 63 • Fax +41 44 736 63 00 • sales@brw.ch
177160 Flat countersink

HSS

P K N
≤ 850 Cu, AI

For tap holes, DIN 373, HSS, with straight shank and fixed pilot journal. For countersinks sized
to DIN 74.
Is part of:
177180 Assortment of flat countersinks
Order ID for D d1 d2 L l1 Z
thread
mm mm mm mm mm
177160.0100 M3 6.5 2.5 5 71 14 3
177160.0200 M3.5 6.5 2.9 5 71 14 3
177160.0300 M4 8 3.3 5 71 14 3
177160.0400 M5 10 4.2 8 80 18 3
177160.0500 M6 11 5 8 80 18 3
177160.0600 M8 15 6.8 12.5 100 22 3
177160.0700 M10 18 8.5 12.5 100 22 3
177160.0800 M12 20 10.2 12.5 100 22 3
177180 Assortment of flat countersinks
HSS

P K N
≤ 850 Cu, AI

In metal case.
Contents
1 counterbore of each size M3, M4, M5, M6, M8, M10.

Consisting of:
177100 Flat countersink HSS, through hole fine
177140 Flat countersink HSS, through holes medium
177160 Flat countersink HSS, core hole
Order ID Designation
177180.0100 Through hole, fine
177180.0200 Through hole, medium
177180.0300 Core hole
177200 Countersink 90°
HSS

P K N
≤ 850 Cu, AI

For through holes, fine, DIN 1866, HSS, with straight shank and fixed pilot journal. For coun-
terbores sized to DIN 74.
Order ID for thread D d1 d2 L l1 Z
mm mm mm mm mm
177200.0800 M3 6 3.2 6 71 14 3
177200.0900 M3.5 7 3.7 7 71 14 3
177200.1000 M4 8 4.3 8 71 14 3
177200.1100 M5 10 5.3 10 80 18 3
177200.1200 M6 11.5 6.4 11.5 80 18 3
177200.1300 M8 15 8.4 12.5 100 22 3
177200.1400 M10 19 10.5 12.5 100 22 3

Brütsch/Rüegger Tools Ltd. • Heinrich Stutz-Strasse 20 • P.O. Box • CH-8902 Urdorf • www.brw.ch 891