Page 47 - Buy Premium Tools ATORN Catalogue

Drilling tools
Stepped drill bit

Stepped drill bit type N HSSE, medium quality grade
For 180° cylinder head screws
Metal cutting tools
Metal cutting tools
Typ HA
HSSE N
118°
Application: Advantage:
According to DIN/ISO 273 and countersinking ac- ƒ Precise alignment of drill diameter and countersink
cording to DIN 74, for cylinder head screws accord- diameter, high profitability thanks to lower process l3
ing to DIN 912, 6912, 7984 and ISO 1207. Hole and costs
countersink produced in one machining step. ƒ Special geometry with high precision provides for
Execution: outstanding centring and position precision d1
ƒ Profile-ground to meet the extremely high require- d2 180°
ments for dimensional accuracy and process l2
reliability 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) ID no.
M3 3.4 6 9 15 45 6 0.15 003 O. R.
M4 4.5 8 11 19 50 8 0.18 004 O. R.
M5 5.5 10 13 23 55 10 0.2 005 O. R.
M6 6.6 11 15 26 63 11 0.21 006 O. R.
M8 9 15 19 34 100 12.5 0.23 008 O. R.
M10 11 18 23 41 110 12.5 0.25 010 O. R.
M12 14 20 28 46 110 12.5 0.28 012 O. R.
Unit price, €
Prod. group 112

Stepped drill bit, short, type N solid carbide/TiAlN, 180°
For 180° cylinder head screws

Typ HA
VHM TiAlN N
118°
Application: Advantage:
Drill diameter and countersink diameter are manu- ƒ Precise alignment of drill diameter and countersink
factured in one machining step. Sturdy short design diameter l3
in particular for using in NC machines and automatic ƒ High profitability thanks to lower process costs
machines.
ƒ Special geometry with high precision provides for d1
Execution: outstanding centring and position precision 180°
ƒ Heavy-duty solid carbide stepped drill with ƒ Hole and countersink are manufactured in one d2
universal precision grinding machining step l2
l1
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
11135 70 60 40 35 25 170 200 180 120 140 110 100 30
Suitable for d1 (mm) d2 (mm) l3 (mm) l2 (mm) l1 (mm) Shaft Ø (mm) f steel 1300 ˜ 11135...
screw thread (mm/U) ID no.
M3 3.4 6 9 28 64 6 0.04 030 O. R.
M4 4.5 8 11 37 79 8 0.05 040 O. R.
M5 5.5 10 13 43 89 10 0.06 050 O. R.
M6 6.6 11 15 55 102 12 0.07 060 O. R.
M8 9 15 19 60 115 16 0.1 080 O. R.
M10 11 18 23 62 123 18 0.1 100 O. R.
Unit price, €
Prod. group 113

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