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161800 Tap drill DC
Metric ISO thread
HSS-E M ISO 2 B Z
(6H) 3.5-5.5 3
N
Cu, AI

With progressive tap, HSS-E, tolerance field ISO2 / 6H, ISO 529.
Power class N
For long-chipping materials with a tensile strength of Rm > 350...1000 N/mm2.
Cut length: 4 x P.
Hole type: For through holes.
Designs N
M2.5...M10: N1120-4, reinforced shaft.
M12...M30: N1220-4, falling-through shaft.
Order ID d P L l a d1 l3 Ø
mm mm mm mm mm mm mm
161800.0200 M3 0.5 48 11 2.5 3.15 18 2.5
161800.0400 M4 0.7 53 13 3.15 4 21 3.3
161800.0500 M5 0.8 58 16 4 5 25 4.2
161800.0600 M6 1 66 19 5 6.3 30 5
161800.0700 M8 1.25 72 22 6.3 8 35 6.8
161800.0800 M10 1.5 80 24 8 10 39 8.5
161800.0900 M12 1.75 89 29 7.1 9 - 10.2
161800.1000 M14 2 95 30 9 11.2 - 12
161800.1100 M16 2 102 32 10 12.5 - 14

161850 Tap drill DC
Metric ISO thread
HSS M B Z
3.5-5.5 3-4
P K N
≤ 850 Cu
AI≥4%Si
Taper tap No. 1, for set 161880, HSS, ~ISO 529
Power class N
For normal materials.
Length of taper lead: 5 x P.
Designs
M1...M10: N1110-1, reinforced shank. N
M12...M30: N1210-1, reduced shank.
Order ID d P L l a d1 l3 Ø Z
mm mm mm mm mm mm mm
161850.0100 M1 0.25 40 5.5 2.1 2.5 - 0.75 3
161850.0200 M1.2 0.25 40 5.5 2.1 2.5 - 0.95 3
161850.0300 M1.4 0.3 40 7 2.1 2.5 - 1.1 3
161850.0400 M1.6 0.35 40 8 2.1 2.5 - 1.25 3
161850.0500 M1.8 0.35 40 8 2.1 2.5 - 1.45 3
161850.0600 M2 0.4 45 8 2.1 2.8 - 1.6 3
161850.0800 M2.5 0.45 45 9.5 2.1 2.8 - 2.05 3
161850.0900 M3 0.5 48 11 2.5 3.15 18 2.5 3
161850.1100 M4 0.7 53 13 3.15 4 21 3.3 3
161850.1200 M5 0.8 58 16 4 5 25 4.2 3
161850.1300 M6 1 66 19 5 6.3 30 5 3
161850.1500 M8 1.25 72 22 6.3 8 35 6.8 3
161850.1600 M10 1.5 80 24 8 10 39 8.5 3
161850.1800 M12 1.75 89 29 7.1 9 - 10.2 3
161850.1900 M14 2 95 30 9 11.2 - 12 3
161850.2000 M16 2 102 32 10 12.5 - 14 3
161850.2100 M18 2.5 112 37 11.2 14 - 15.5 3
161850.2200 M20 2.5 112 37 11.2 14 - 17.5 3
161850.2300 M22 2.5 118 38 12.5 16 - 19.5 3
161850.2400 M24 3 130 45 14 18 - 21 4
161850.2500 M27 3 135 45 16 20 - 24 4
161850.2600 M30 3.5 138 48 16 20 - 26.5 4

Brütsch/Rüegger Tools Ltd. • Heinrich Stutz-Strasse 20 • P.O. Box • CH-8902 Urdorf • www.brw.ch 789