Page 899 - Benma | Blue book 5.0

HSS countersinks Tel. +41 44 736 63 63 • Fax +41 44 736 63 00 • sales@brw.ch
177100 Flat countersink

HSS

P K N
≤ 850 Cu, AI

For through holes, fine, DIN 373, HSS, with straight shank, fixed pilot journal.
Is part of:
177180 Assortment of flat countersinks
Order ID for thread D d1 d2 L l1 Z
mm mm mm mm mm
177100.0800 M3 6.5 3.2 5 71 14 3
177100.0900 M3.5 6.5 3.7 5 71 14 3
177100.1000 M4 8 4.3 5 71 14 3
177100.1100 M5 10 5.3 8 80 18 3
177100.1200 M6 11 6.4 8 80 18 3
177100.1300 M8 15 8.4 12.5 100 22 3
177100.1400 M10 18 10.5 12.5 100 22 3
177100.1500 M12 20 13 12.5 100 22 3
177120 Flat countersink
HSS TiN

P M K N
≤ 850 ≤ 900 Cu

Like 177100, HSS, but with TiN coating.
Order ID for thread D d1 d2 L l1 Z
mm mm mm mm mm
177120.0100 M3 6.5 3.2 5 71 14 3
177120.0200 M4 8 4.3 5 71 14 3
177120.0300 M5 10 5.3 8 80 18 3
177120.0400 M6 11 6.4 8 80 18 3
177120.0500 M8 15 8.4 12.5 100 22 3
177120.0600 M10 18 10.5 12.5 100 22 3
177120.0700 M12 20 13 12.5 100 22 3
177140 Flat countersink
HSS

P K N
≤ 850 Cu, AI

For through holes, medium, DIN 373, HSS, with straight shank and fixed pilot journal. For
counterbores sized to DIN 74.
Is part of:
177180 Assortment of flat countersinks
Order ID for thread D d1 d2 L l1 Z
mm mm mm mm mm
177140.0100 M3 6.0 3.4 5 71 14 3
177140.0200 M3.5 6.5 3.9 5 71 14 3
177140.0300 M4 8 4.5 5 71 14 3
177140.0400 M5 10 5.5 8 80 18 3
177140.0500 M6 11 6.6 8 80 18 3
177140.0600 M8 15 9 12.5 100 22 3
177140.0700 M10 18 11 12.5 100 22 3
177140.0800 M12 20 13.5 12.5 100 22 3

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