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Drilling tools
Stepped drill bit

Subland stepped drill bit type N HSS, medium quality grade DIN 8376 Metal cutting tools
For 180° cylinder head screws

Typ HA
HSS N
118°
Application: Advantage:
For through holes in accordance with DIN EN 20273 ƒ Precise alignment of drill diameter and countersink l1
and 180° countersunk screw heads, form H, J and diameter, lower process costs and therefore high l2
K, in accordance with DIN 74. For screws to DIN 84, profitability
912, 6912, 7513 and 7984. ƒ Universal use: can be used in the steel, (stainless 180°
Execution: steel), non-ferrous metal, cast and (titanium alloy) d1
materials groups, thus minimizing tool costs and
ƒ Drill and countersink step with independent chip increasing user flexibility d2
grooves and drill heels; regrinding does not affect l3
the profile
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) ID no.
M3 3.4 6 9 57 93 6 0.03 003 O. R.
M4 4.5 8 11 75 117 8 0.04 004 O. R.
M5 5.5 10 13 87 133 10 0.05 005 O. R.
M6 6.6 11 15 94 142 11 0.07 006 O. R.
M8 9 15 19 114 169 15 0.08 008 O. R.
M10 11 18 23 130 191 18 0.1 010 O. R.
Unit price, €
Prod. group 1AR
Subland stepped drill bit type N HSS, medium quality grade
For 180° cylinder head screws DIN 8377

Typ MK
HSS N
118°
Application: Advantage: l1
For through holes in accordance with DIN EN 20273 ƒ Precise alignment of drill diameter and countersink l2
and 180° countersunk screw heads, form H, J and diameter, lower process costs and therefore high
K, in accordance with DIN 74. For screws to DIN 84, profitability
912, 6912, 7513 and 7984. ƒ Universal use: can be used in the steel, (stainless 180°
Execution: steel), non-ferrous metal, cast and (titanium alloy) d1
materials groups, thus minimizing tool costs and
ƒ Drill and countersink step with independent chip increasing user flexibility d2
grooves and drill heels; regrinding does not affect l3
the profile
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
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) ID no.
M6 6.6 11 15 94 175 MK 1 0.1 006 O. R.
M8 9 15 19 114 212 MK 2 0.12 008 O. R.
M10 11 18 23 130 228 MK 2 0.13 010 O. R.
M12 13.5 20 27 140 238 MK 2 0.16 012 O. R.
M16 17.5 26 35 165 286 MK 3 0.18 016 O. R.
Unit price, €
Prod. group 1AR

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