Page 821 - Benma | Blue book 5.0

Taps, thread formers Tel. +41 44 736 63 63 • Fax +41 44 736 63 00 • sales@brw.ch
1 62820 Tap drill DC
UNC thread
HSS-E UNC 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
UNC 2...3/8“: H350-3, reinforced shaft.
UNC 7/16...1“: H450-3, falling-through shaft.
Order ID d P Standard L a d1 l l3 Ø Z
in mm mm mm mm mm mm
162820.0100 UNC 2 56 371 45 2.1 2.8 8 - 1.75 3
162820.0200 UNC 4 40 371 56 2.7 3.5 5.5 18 2.25 3
162820.0300 UNC 6 32 371 56 3 4 6.5 20 2.75 3
162820.0400 UNC 8 32 371 63 3.4 4.5 7.5 21 3.4 3
162820.0500 UNC 10 24 371 70 4.9 6 9 25 3.8 3
162820.0600 UNC 1/4“ 20 371 80 5.5 7 11 30 5.1 3
162820.0700 UNC 5/16“ 18 371 90 6.2 8 12.5 35 6.5 3
162820.0800 UNC 3/8“ 16 371 100 8 10 14 39 8 3
162820.0900 UNC 7/16“ 14 376 100 6.2 8 14 - 9.3 3
162820.1000 UNC 1/2“ 13 376 110 7 9 14 - 10.8 4
162820.1100 UNC 5/8“ 11 376 110 9 12 18 - 13.6 4
162820.1200 UNC 3/4“ 10 376 125 11 14 21 - 16.6 4
162820.1300 UNC 1“ 8 376 160 14.5 18 27 - 22.3 4
1 62840 Tap drill DC
UNC(J) thread
HSS-E UNC(J) 3B C Z
PM 2-3 3

S
Ni
≤ 1400
SA SA390-3, 10° spiral flutes, progressiv tap, HSSE-PM, tolerance class 3B.
Power class S, green tape
For special-alloy materials, nickel alloys with a tensile strength of up to 1650 N/mm2.
Length of taper lead: 2.5 x P.
Hole type: For through and pocket holes (<1.5 x D).
Order ID d P Standard L a d d1 l Ø
in mm mm mm mm mm mm
162840.0100 UNC 4 40 371 56 2.7 2.84 3.5 12 2.3
162840.0200 UNC 6 32 371 56 3 3.5 4 13 2.8
162840.0300 UNC 8 32 371 63 3.4 4.16 4.5 14 3.45
162840.0400 UNC 10 24 371 70 4.9 4.82 6 15 3.9
162840.0500 UNC 1/4“ 20 371 80 5.5 6.35 7 20 5.2
162840.0600 UNC 5/16“ 18 371 90 6.2 7.93 8 25 6.7
162840.0700 UNC 3/8“ 16 371 100 8 9.52 10 30 8.1

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