Page 827 - Benma | Blue book 5.0

Taps, thread formers Tel. +41 44 736 63 63 • Fax +41 44 736 63 00 • sales@brw.ch
163120 Tap drill DC
UNF thread
HSS-E UNF 2B B Z
PM 3.5-5.5 3-4
P N
≥ 850 Cu
≤ 1400
Straight grooves and progressive tap, HSSE-PM, tolerance field 2B.
Power class H, red tape
For high-strength materials with a tensile strength of Rm > 900...1200 N/mm2, tempered steels,
alloyed tool steels, hardened steels, also some non-ferrous metals of special quality.
H Cut length: 4 x P.
Hole type: For through holes.
Designs
UNF 10...3/8“: H320-4, reinforced shaft.
UNF 1/2...3/4“: H420-4, falling-through shaft.
Order ID d P Standard L a d1 l l3 Ø Z
in mm mm mm mm mm mm
163120.0100 UNF 10 32 371 70 4.9 6 15 25 4.05 3
163120.0200 UNF 1/4“ 28 371 80 5.5 7 17 30 5.5 3
163120.0300 UNF 5/16“ 24 371 90 6.2 8 20 35 6.9 3
163120.0400 UNF 3/8“ 24 371 100 8 10 22 39 8.5 3
163120.0500 UNF 1/2“ 20 374 100 7 9 24 - 11.4 4
163140 Tap drill DC
UNF thread
HSS-E UNF 2B C Z
PM 2-3 3-4
P N
≥ 850 Cu
≤ 1400
With spiral grooves 25°, up to 1.5 x D, HSSE-PM, tolerance field 2B.
Power class H, red tape
For high-strength materials with a tensile strength of Rm > 900...1200 N/mm2, tempered steels,
alloyed tool steels, hardened steels, some non-ferrous metals of special quality.
H Cut length: 2.5 x P.
Hole type: For pocket holes.
Designs
UNF 10...3/8“: H350-3, reinforced shaft.
UNF 7/16...3/4“: H450-3, falling-through shaft.
Order ID d P Standard L a d1 l l3 Ø Z
in mm mm mm mm mm mm
163140.0100 UNF 10 32 371 70 4.9 6 9 25 4 3
163140.0200 UNF 1/4“ 28 371 80 5.5 7 11 30 5.4 3
163140.0300 UNF 5/16“ 24 371 90 6.2 8 12.5 35 6.9 3
163140.0400 UNF 3/8“ 24 371 100 8 10 14 39 8.4 3
163140.0500 UNF 7/16“ 20 374 100 6.2 8 14 - 9.9 3
163140.0600 UNF 1/2“ 20 374 100 7 9 14 - 11.5 4
163140.0700 UNF 5/8“ 18 374 100 9 12 14 - 14.5 4
163140.0800 UNF 3/4“ 16 374 125 11 14 18 - 17.4 4

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