Page 88 - Industrial Tools Catalog (1)

Drilling tools \ Stepped drill bit
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 ƒ 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 ƒ Special geometry for outstanding centring and l3
and countersink produced in one machining step. positional accuracy
Execution: d1
ƒ profile-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) Shaft 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 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 ƒ Drill and countersink step with independent chip l1
and screw head countersinking 180° in accordance grooves and drill heels; regrinding does not affect l2
with DIN 974-1, series 1. For screws in accordance the profile
with DIN 6912, 7984, 34821, DIN EN ISO 1207, 4762, 180°
14579, 14580 Advantage:
ƒ precise alignment of drill diameter and countersink d1
diameter, lower process costs d2
ƒ universal use, therefore tool costs are reduced to a l3
minimum and user flexibility is increased

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
11112 30 20 40 50 40 35 20 15 20
Suitable for d1 (mm) d2 (mm) l3 (mm) l2 (mm) l1 (mm) Shaft 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

Source: Hahn+Kolb Werkzeuge GmbH
88 Technical data subject to change. www.iconridge.com
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