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Drilling tools \ Stepped drill bits

HSS Subland stepped drill bit type N, medium quality grade ( DIN
8376 )
For 180° cylinder head screws

Typ HA
HSS
N
118°
Application: Execution:
For through holes in accordance with DIN EN 20273  Drill and countersink step with independent chip l1
and screw head countersinking 180° in accordance grooves and drill heels; regrinding does not aﬀ ect l2
with DIN 974-1, series 1. For screws in accordance the proﬁ le
with DIN 6912, 7984, 34821, DIN EN ISO 1207, 4762, 180°
14579, 14580 Advantage:
 precise alignment of drill diameter and countersink d1
diameter, lower process costs d2
 universal use, therefore tool costs are reduced to a l3
minimum and user ﬂ exibility is increased

Application Steel (N/mm ) Stainless steel Alu Brass Bronze Plas- Graphite GG(G) Titan- Nickel- Super- Hard mat.
2
No. <700 <1000 <1300 marten. austen. short long short long short long tics G(C)FK GjMW alloy alloy alloy <55 HRC <65 HRC
11112 30 20 40 50 40 35 20 15 20
Suitable for d1 (mm) d2 (mm) l3 (mm) l2 (mm) l1 (mm) Sha Ø (mm) f steel 700  11112...
screw thread (mm/U) Ident. No.
M3 3.4 6 9 57 93 6 0.03 003
M4 4.5 8 11 75 117 8 0.04 004
M5 5.5 10 13 87 133 10 0.05 005
M6 6.6 11 15 94 142 11 0.07 006
M8 9 15 19 114 169 15 0.08 008
M10 11 18 23 130 191 18 0.1 010
Prod. Gr. 1AR

HSS Subland stepped drill bit type N, medium quality grade ( DIN
8377 )
For 180° cylinder head screws

Typ MK
HSS N
118°
Application: Execution:
For through holes in accordance with DIN EN 20273  Drill and countersink step with independent chip l1
and screw head countersinking 180° in accordance grooves and drill heels; regrinding does not aﬀ ect l2
with DIN 974-1, series 1. For screws in accordance the proﬁ le
with DIN 6912, 7984, 34821, DIN EN ISO 1207, 4762, 180°
14579, 14580 Advantage: d1
 precise alignment of drill diameter and countersink
diameter, lower process costs d2
 universal use, therefore tool costs are reduced to a l3
minimum and user ﬂ exibility is increased

Application Steel (N/mm ) Stainless steel Alu Brass Bronze Plas- Graphite GG(G) Titan- Nickel- Super- Hard mat.
2
No. <700 <1000 <1300 marten. austen. short long short long short long tics G(C)FK GjMW alloy alloy alloy <55 HRC <65 HRC
11115 30 20 40 50 40 35 20 15 20
Suitable for d1 (mm) d2 (mm) l3 (mm) l2 (mm) l1 (mm) Morse taper size f steel 700  11115...
screw thread (mm/U) Ident. No.
M6 6.6 11 15 94 175 MK 1 0.1 006
M8 9 15 19 114 212 MK 2 0.12 008
M10 11 18 23 130 228 MK 2 0.13 010
M12 13.5 20 27 140 238 MK 2 0.16 012
M16 17.5 26 35 165 286 MK 3 0.18 016
Prod. Gr. 1AR

Source: Hahn+Kolb Werkzeuge GmbH
Technical data subject to change. www.iconridge.com
Availability subject to country specific rules and regulations. 47

0096_EN_2018_KERN[21841814]-k.indd 96 12/17/2018 3:31:04 PM

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