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Drilling tools \ Stepped drill bits
HSSE step drills type N, medium quality grade
For 180° cylinder head screws

Typ HA
HSSE N
118°
Application: Advantage:
According to DIN/ISO 273 and countersinking  precise alignment of drill diameter and countersink
according to DIN 74, for cylinder head screws ac- diameter, lower process costs
cording to DIN 912, 6912, 7984 and ISO 1207. Hole  Special geometry for outstanding centring and l3
and countersink produced in one machining step. positional accuracy
Execution: d1
 profi le-ground 180°
d2
l2
l1

Application Steel (N/mm ) 2 Stainless steel Alu Brass Bronze Plas- Graphite GG(G) Titan- Nickel- Super- Hard mat.
No. <700 <1000 <1300 marten. austen. short long short long short long tics G(C)FK GjMW alloy alloy alloy <55 HRC <65 HRC
11118 35 25 10 10 8 40 50 40 35 20 15 20 10
Suitable for d1 (mm) d2 (mm) l3 (mm) l2 (mm) l1 (mm) Sha Ø (mm) f steel 1000  11118...
screw thread (mm/U) Ident. No.
M3 3.4 6 9 15 45 6 0.04 003
M4 4.5 8 11 19 50 8 0.05 004
M5 5.5 10 13 23 55 10 0.07 005
M6 6.6 11 15 26 63 11 0.08 006
M8 9 15 19 34 100 12.5 0.1 008
M10 11 18 23 41 110 12.5 0.12 010
M12 14 20 28 46 110 12.5 0.14 012
Prod. Gr. 112

HSS stepped drill bit short type N
For core hole centrings

Typ HA HB
HSS
N
118°
Application: Advantage:
Drilling of thread core holes in accordance with DIN  precise alignment of drill diameter and countersink
332-2, form D/DR. Simultaneous, precisely aligned diameter, lower process costs
insertion of centre hole, inlet for screw tap and  universal use, therefore tool costs are reduced to a d3
thread core hole. minimum and user fl exibility is increased d1 d2
Execution: 118° 90° 60°
 profi le-ground l3
l2
l1
L

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
11121 30 20 40 50 40 35 20 15 20
11122 30 20 40 50 40 35 20 15 20
Tool holding device HA parallel shank HB parallel shank
Suitable d1 (mm) d2 (mm) l3 (mm) l1 (mm) l2 (mm) L (mm) d3 (mm) f steel 11121... 11122...
for screw 700  Ident. No. Ident. No.
thread (mm/U)
M4 3.3 4.3 11 23 12.6 63 8 0.04 004 004
M5 4.2 5.3 13 27 15.1 67 10 0.05 005 005
M6 5 6.4 16 33 18.9 71 12.5 0.07 006 006
M8 6.8 8.4 19 41 23 88 14 0.08 008 008
M10 8.5 10.5 23 47 27.7 90 16 0.1 010 010
M12 10.2 13 28 59 34.5 105 22 0.12 012 012
M16 14 17 35 67 41.3 132 25 0.16 - - 016
M20 17.5 21 38 77 48.3 145 31.5 0.18 - - 020
Prod. Gr. 112

Source: Hahn+Kolb Werkzeuge GmbH
Technical data subject to change. www.iconridge.com
Availability subject to country specific rules and regulations. 83

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