M35 Cobalt Drill Bits

7 Piece M35 Co 5% Drill Bits Set Jobber Length Twist Drill Bits with Split Point in Metal Case

  • With its 135-degree split point and twist design.
  • Drill bit is designed for speed and precision.
  • It’s made of high-speed M35 steel with a titanium nitride coat for added durability.
  • Amber coated prevents rusting and increases.
  • Its wear-resistance for a longer lifespan.

Product Description

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Product Name 7 Piece M35 Co 5% Drill Bits Set Jobber Length Twist Drill Bits with Split Point in Metal Case
Size 1-13mm
Material M35 (Co5%), M42 (Co8%)
Flute Type Single Flute
Shank Round Shank (We also Have Reduced Shank, Taper Shank, Hex Shank)
Surface Finish Amber (We also have Black Oxide)
Package 10 or 5pcs in One Plastic Box
Product Size
DIN338
Diameter(mm) Flute Length(mm) Overall Length(mm) Diameter(mm) Flute Length(mm) Overall Length(mm)
0.5 6 22 9.5 81 125
1.0 12 34 10.0 87 133
1.5 20 43 10.5 87 133
2.0 24 49 11.0 94 142
2.5 30 57 11.5 94 142
3.0 33 61 12.0 101 151
3.2 36 65 12.5 101 151
3.5 39 70 13.0 101 151
4.0 43 75 13.5 108 160
4.2 43 75 14.0 108 160
4.5 47 80 14.5 114 169
4.8 52 86 15.0 114 169
5.0 52 86 15.5 120 178
5.2 52 86 16.0 120 178
5.5 57 93 16.5 125 184
6.0 57 93 17.0 125 184
6.5 63 101 17.5 130 191
7.0 69 109 18.0 130 191
7.5 69 109 18.5 135 198
8.0 75 117 19.0 135 198
8.5 75 117 19.5 140 205
9.0 81 125 20.0 140 205
Jobber Length Fraction
Diameter (Inch) Flute Length(Inch) Overall Length(mm) Diameter (Inch) Flute Length(Inch) Overall Length(mm)
3/64″ 3/4″ 1-3/4″ 25/64″ 3-3/4″ 5-1/8″
1/16″ 7/8″ 1-7/8″ 13/32″ 3-7/8″ 5-1/4″
5/64″ 1″ 2″ 27/64″ 3-15/16″ 5-3/8″
3/32″ 1-1/8″ 2-1/4″ 7/16″ 4-1/16″ 5-1/2″
7/64″ 1-1/2″ 2-5/8″ 29/64″ 4-3/16″ 5-5/8″
1/8″ 1-5/8″ 2-3/4″ 15/32″ 4-5/16″ 5-3/4″
9/64″ 1-3/4″ 2-7/8″ 31/64″ 4-3/8″ 5-7/8″
5/32″ 2″ 3-1/8″ 1/2″ 4-1/2″ 6″
11/64″ 2-1/8″ 3-1/4″ 33/64″ 4-13/16″ 6-5/8″
3/16″ 2-5/16″ 3-1/2″ 17/32″ 4-13/16″ 6-5/8″
13/64″ 2-7/16″ 3-5/8″ 35/64″ 4-13/16″ 6-5/8″
7/32″ 2-1/2″ 3-3/4″ 9/16″ 4-13/16″ 6-5/8″
15/64″ 2-5/8″ 3-7/8″ 37/64″ 4-13/16″ 6-5/8″
1/4″ 2-3/4″ 4″ 19/32″ 5-3/16″ 7-1/8″
17/64″ 2-7/8″ 4-1/8″ 39/64″ 5-3/16″ 7-1/8″
9/32″ 2-15/16″ 4-1/4″ 5/8″ 5-3/16″ 7-1/8″
19/64″ 3-1/16″ 4-3/8″ 41/64″ 5-3/16″ 7-1/8″
5/16″ 3-3/16″ 4-1/2″ 21/32″ 5-3/16″ 7-1/8″
21/64″ 3-5/16″ 4-5/8″ 43/64″ 5-5/8″ 7-5/8″
11/32″ 3-7/16″ 4-3/4″ 11/16″ 5-5/8″ 7-5/8″
23/64″ 3-1/2″ 4-7/8″
3/8″ 3-5/8″ 5″
Jobber Length Number
Diameter Flute Length(Inch) Overall Length(mm) Diameter Flute Length(Inch) Overall Length(mm)
1# 2-5/8″ 3-7/8″ 31″ 1-5/8″ 2-3/4″
2# 2-5/8″ 3-7/8″ 32″ 1-5/8″ 2-3/4″
3# 2-1/2″ 3-3/4″ 33″ 1-1/2″ 2-5/8″
4# 2-1/2″ 3-3/4″ 34″ 1-1/2″ 2-5/8″
5# 2-1/2″ 3-3/4″ 35″ 1-1/2″ 2-5/8″
6# 2-1/2″ 3-3/4″ 36″ 1-7/16″ 2-1/2″
7# 2-7/16″ 3-5/8″ 37″ 1-7/16″ 2-1/2″
8# 2-7/16″ 3-5/8″ 38″ 1-7/16″ 2-1/2″
9# 2-7/16″ 3-5/8″ 39″ 1-3/8″ 2-3/8″
10# 2-7/16″ 3-5/8″ 40″ 1-3/8″ 2-3/8″
11# 2-5/16″ 3-1/2″ 41″ 1-3/8″ 2-3/8″
12# 2-5/16″ 3-1/2″ 42″ 1-1/4″ 2-1/4″
13# 2-5/16″ 3-1/2″ 43″ 1-1/4″ 2-1/4″
14# 2-3/16″ 3-3/8″ 44″ 1-1/8″ 2-1/8″
15# 2-3/16″ 3-3/8″ 45″ 1-1/8″ 2-1/8″
16# 2-3/16″ 3-3/8″ 46″ 1-1/8″ 2-1/8″
17# 2-3/16″ 3-3/8″ 47″ 1″ 2″
18# 2-1/8″ 3-1/4″ 48″ 1″ 2″
19# 2-1/8″ 3-1/4″ 49″ 1″ 2″
20# 2-1/8″ 3-1/4″ 50″ 1″ 2″
21# 2-1/8″ 3-1/4″ 51″ 1″ 2″
22# 2″ 3-1/8″ 52″ 7/8″ 1-7/8″
23# 2″ 3-1/8″ 53″ 7/8″ 1-7/8″
24# 2″ 3-1/8″ 54″ 7/8″ 1-7/8″
25# 1-7/8″ 3″ 55″ 7/8″ 1-7/8″
26# 1-7/8″ 3″ 56″ 3/4″ 1-3/4″
27# 1-7/8″ 3″ 57″ 3/4″ 1-3/4″
28# 1-3/4″ 2-7/8″ 58″ 11/16″ 1-5/8″
29# 1-3/4″ 2-7/8″ 59″ 11/16″ 1-5/8″
30# 1-5/8″ 2-3/4″ 60″ 11/16″ 1-5/8″
Jobber Length Letter
Diameter Flute Length(Inch) Overall Length(mm) Diameter (Inch) Flute Length(Inch) Overall Length(mm)
A 2-5/8″ 3-7/8″ N 3-1/16″ 4-3/8″
B 2-3/4″ 4″ O 4-1/2″ 4-1/2″
C 2-3/4″ 4″ P 4-5/8″ 4-5/8″
D 2-3/4″ 4″ Q 4-3/4″ 4-3/4″
E 2-3/4″ 4″ R 4-3/4″ 4-3/4″
F 2-7/8″ 4-1/8″ S 4-7/8″ 4-7/8″
G 2-7/8″ 4-1/8″ T 4-7/8″ 4-7/8″
H 2-7/8″ 4-1/8″ U 5″ 5″
I 2-7/8″ 4-1/8″ V 3-5/8″ 5″
J 2-7/8″ 4-1/8″ W 3-3/4″ 5-1/8″
K 2-15/16″ 4-1/4″ X 3-3/4″ 5-1/8″
L 2-15/16″ 4-1/4″ Y 3-7/8″ 5-1/4″
M 3-1/16″ 4-3/8″ Z 3-7/8″ 5-1/4″
* Custom-tailor would be available against customers’ requirements
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