Page 731 - Benma | Blue book 5.0

Miscellaneous drills Tel. +41 44 736 63 63 • Fax +41 44 736 63 00 • sales@brw.ch
157700 Progressive boring drill

HSS

P N
≤ 850 Cu, AI

Type KSB conical
HSS, cylindrical shank with three-surface grind, cone 20°, twist ground inside.
The progressive boring drill makes holes in thin materials without pre-boring, and expands existing
holes. Can also be used for slanted holes and tubes.
Is part of:
157750 Set of taper drills
Order ID Size Drilling range Shaft Ø Shank length Length
mm mm mm mm
157700.0100 0 3...14 6 25 58
157700.0200 1 8...20 8 25 66
157700.0300 2 16...30.5 9 25 77
157700.0400 3 26...40 9 30 90
157700.0500 4 36...50 9 30 87
157700.0600 5 46...60 12 30 94
157700.0700 6 4...30.5 10 25 90
157710 Progressive boring drill
HSS TiN

P M N
≤ 850 ≤ 900 Cu, AI

Type KSB tapered
HSS, TiN coating, cylindrical shank with three-surface grind, taper 20°, twist ground inside.
The progressive boring drill makes holes in thin materials without pre-boring, and expands existing
holes. Can also be used for slanted holes and tubes.
Because of TiN coating has longer useful life, higher cutting speeds and reduced edge build-ups.
Is part of:
157760 Set of taper drills
Order ID Size Drilling range Shaft Ø Shank length Length
mm mm mm mm
157710.0100 0 3...14 6 25 58
157710.0200 1 8...20 8 25 66
157710.0300 2 16...30.5 9 25 77
157710.0400 3 26...40 9 30 90
157710.0500 4 36...50 9 30 87
157710.0700 6 4...30.5 10 25 90

157750 Set of taper drills
HSS

P N
≤ 850 Cu, AI

In metal case.
Consisting of:
157700.0100: 1 pieces Progressive boring bit HSS Type KSB 20° conical, cylinder shaft Size 0 3.0-
14.0 mm
157700.0200: 1 pieces Progressive boring bit HSS Type KSB 20° conical, cylinder shaft Size 1 8.0-
20.0 mm
157700.0300: 1 pieces Progressive boring bit HSS Type KSB 20° conical, cylinder shaft Size 2 16.0-
30.5 mm
Order ID Assortment Contents, 1 unit each
157750.0100 KSB 0 / 1 / 2

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