Page 835 - Benma | Blue book 5.0

Taps, thread formers Tel. +41 44 736 63 63 • Fax +41 44 736 63 00 • sales@brw.ch
1 63820 Tap drill DC
NPT pipe thread, conical
HSS-E VAP NPT C Z
2-3 3-7
P M K
≤ 850 ≤ 900

N410V-3, with straight grooves and V-surface treatment, HSS-E, works standard with falling-
through DIN shaft.
N Power class N
For long- and short-chipping materials with a tensile strength of Rm > 350...1000 N/mm2.
Cut length: 2 x P.
Hole type
For through and pocket holes.
Bore conical 1:16, bore cylindrically according to d and ream conically according to D.
NPT reamer: see 182670.
Order ID d P L l a d D max. D min. d1 Z
in mm mm mm mm mm mm mm
163820.0100 NPT 1/16“ 27 71 13 5.5 6 6.505 6.413 7 3
163820.0200 NPT 1/8“ 27 71 13 6.2 8.3 8.852 8.76 8 5
163820.0300 NPT 1/4“ 18 80 20 9 10.8 11.483 11.397 11 5
163820.0400 NPT 3/8“ 18 90 20 9 14.2 14.922 14.836 12 5
163820.0500 NPT 1/2“ 14 100 26 12 17.5 18.419 18.333 16 5
163820.0600 NPT 3/4“ 14 110 26 16 22.8 23.764 23.678 20 5
163820.0700 NPT 1“ 11.5 125 32 20 28.65 29.812 29.726 25 5
163820.0800 NPT 1 1/4“ 11.5 125 32 24 37.4 38.569 38.483 32 5
163820.0900 NPT 1 1/2“ 11.5 140 32 29 43.45 44.638 44.552 36 5
163820.1000 NPT 2“ 11.5 160 32 29 55.5 56.676 56.59 36 7
1 63840 Tap drill DC
NPT pipe thread, conical
HSS-E VAP NPT C Z
2-3 3-5
P M K
≤ 850 ≤ 900

N411V-3, with straight grooves, interrupted teeth and V-surface treatment, HSS-E, works standard,
N Power class N
falling-through shaft.
For long- and short-chipping materials with a tensile strength of Rm > 350...1000 N/mm2.
Cut length: 2 x P.
Hole type
For through and pocket holes.
Bore conical 1:16, bore cylindrically according to d and ream conically according to D.
Order ID d P L l a d D max. D min. d1 Z
in mm mm mm mm mm mm mm
163840.0100 NPT 1/16“ 27 71 13 5.5 6 6.505 6.413 7 3
163840.0200 NPT 1/8“ 27 71 13 6.2 8.3 8.852 8.76 8 5
163840.0300 NPT 1/4“ 18 80 20 9 10.8 11.483 11.397 11 5
163840.0400 NPT 3/8“ 18 90 20 9 14.2 14.922 14.836 12 5
163840.0500 NPT 1/2“ 14 100 26 12 17.5 18.419 18.333 16 5
163840.0600 NPT 3/4“ 14 110 26 16 22.8 23.764 23.678 20 5
163840.0700 NPT 1“ 11.5 125 32 20 28.65 29.812 29.726 25 5

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