Page 734 - Benma | Blue book 5.0

Miscellaneous drills Tel. +41 44 736 63 63 • Fax +41 44 736 63 00 • sales@brw.ch
1 57900 Eccentric clampint sleeve
CT 49035, cylindrical with Weldon flat.
For tools with cylindrical shank and only one cutter.
Adjustability
For fine adjustment by +0.5 to -0.5 mm relative to nominal diameter. This makes it possible to
produce intermediate dimensions and special tolerances with standard tools.
Tolerance d2: h5 Tolerance d4: h13
Usable with:
157840 Core drill with indexable inserts INT-CT
157860 Core drill with indexable inserts INT-CT
Order ID d1 d2 d3 d4 l2 l1
mm mm mm mm mm mm
157900.0100 25 8 29 23 56 61
157900.0200 25 10 29 23 56 61
157900.0300 25 12 29 23 56 61
157900.0400 25 16 29 23 56 61
157900.0500 32 8 36 30 60 65
157900.0600 32 10 36 30 60 65
157900.0700 32 12 36 30 60 65
157900.0800 32 16 36 30 60 65
157900.0900 32 20 36 30 60 65
157900.1000 32 25 36 30 60 65
1 58030 Spot-weld remover
HSS-E DIN
1897
P N
≤ 850 Cu, AI

Type N, HSS-E, with self-centring point, main lip with 180° point angle, DIN 1897 extra short.
Application
Specially designed bit for drilling away spot welds without destroying the sheet of metal below.
Order ID d1 l2 l1 Order ID d1 l2 l1
mm mm mm mm mm mm
158030.0100 6 28 66 158030.0300 8 37 79
158030.0200 7 34 74 158030.0400 10 43 89

1 58040 Carbide Hard-Cut drill
HM

The strongly negative geometry creates a high operating temperature, which burns out the tap.
Application
For boring out broken tap drills, hardened screws, etc. Can also be used in difficult materials, such
as hard mould castings or stellite. No cooling lubricant necessary, bore dry.
Speed: 1500...3500 U/min.
Order ID d1 l2 l1 for metric thread for UNC, UNF thread
mm mm mm
158040.0100 2 10 30 M3 4-40 UNC, 6-40 UNF
158040.0200 3 15 40 M4, M5 8-32 UNC, 10-32 UNF
158040.0300 4 20 45 M6 1/4“...5/16“ UNC, 1/4“...5/16“ UNF
158040.0400 5 25 50 M8, M10 5/16“...3/8“ UNC, 5/16“...3/8“ UNF
158040.0500 6 30 60 M10, M12 3/8“...1/2“ UNC / 3/8“...1/2“ UNF
1 58050 Hard-Cut set

HM

5-piece,in plastic case.
Consisting of:
158040.0100: 1 pieces SC drill DIAGRIT Hard-Cut 2
158040.0200: 1 pieces SC drill DIAGRIT Hard-Cut 3
158040.0300: 1 pieces SC drill DIAGRIT Hard-Cut 4
158040.0400: 1 pieces SC drill DIAGRIT Hard-Cut 5
158040.0500: 1 pieces SC drill DIAGRIT Hard-Cut 6
Order ID Assortment 1 unit
mm
158050.0100 1 2 / 3 / 4 / 5 / 6

Brütsch/Rüegger Tools Ltd. • Heinrich Stutz-Strasse 20 • P.O. Box • CH-8902 Urdorf • www.brw.ch 725