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OEM factory wholesale Type A of 60 degree centering bit for high speed steel center drilling bits OEM factory wholesale Type A of 60 degree centering bit for high speed steel center drilling bits OEM factory wholesale Type A of 60 degree centering bit for high speed steel center drilling bits

OEM factory wholesale Type A of 60 degree centering bit for high speed steel center drilling bits

  • High-quality HSS material
  • Precision center drilling
  • Versatile tool for a wide range of applications

For Other Sizes, Types, Materials, Standard, Process, Packages, Please Contact us!

Procuct Name:
60 Degree DIN333 HSS Center Drill Bit
Material:
HSS4241,4341,6542(Co5%-M35,Carbide are Available)
Process:
Fully Ground (Rolled are Available)
Flute:
Straight Flutes(2 Flute is Available)
Surface:
Bright Finishing(Amber,Tin-coated,AlTiN coated ,are Available)
Size:
0.5MM-12.5MM
Standard:
DIN333A(DIN333B,DIN333R,Extra Long ,GOST 14952-75are Available)
Features:
1.Center drill bits can be used to make conical holes for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking, as well as for producing center holds in components or work pieces with require machining between centers.
2.Available for all Kinds of Materials: Metal, Alloy, Copper, Iron, Wood, Aluminum, and so on.
3.Durable and Resistance: Center drill bit is made of HSS high speed steel, with extremely sharp blade, low consumption and durable with impact resistance, wear resistance.
4.center drills have flutes and cutting points on both ends. this allows the user with the ability to reverse the drill and utilize both ends.
5.Easy cutting with high speed and excellent offtake of chips.suitable for products with straight flute,oblique flute and spiral fiute,etc.
6.60 degree countersink angle fits all standard centers.
7.High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance.

OEM factory wholesale Type A of 60 degree centering bit for high speed steel center drilling bits


OEM factory wholesale Type A of 60 degree centering bit for high speed steel center drilling bits
Drill Dia.(d)
Body Dia.(D)
Overall Length.(L)
Cutter Length(L1)
A1.0mm
4
35
1.7
A1.5mm
4
35
2.6
A2.0mm
5
40
3.1
A2.5mm
6
45
3.8
A3.0mm
8
50
4.6
A4.0mm
10
55
5.9
A5.0mm
12
63
7.2
A6.0mm
14
69
7.2
A6.3mm
16
71
8.9
A8.0mm
20
80
11.1
A10.0mm
25
100
13.8
OEM factory wholesale Type A of 60 degree centering bit for high speed steel center drilling bits
Drill Dia.(d)
Body Dia.(D)
Overall Length.(L)
Cutter Length(L1)
B1.0mm
4
35
1.3
B1.25mm
5
40
1.6
B1.6mm
6.3
45
2
B2.0mm
8
50
2.5
B2.5mm
10
56
3.1
B3.15mm
11.2
60
3.9
B4.0mm
14
67
5
B5.0mm
18
75
6.3
B6.3mm
20
80
8
B8.0mm
25
100
10.1
B10.0mm
31.5
125
12.8
OEM factory wholesale Type A of 60 degree centering bit for high speed steel center drilling bits
Drill Dia.(d)
circular arc(R)
Body Dia.(D)
Overall Length.(L)
Cutter Length(L1)
1.0
2.5
3.15
31.5
3.0
1.25
3.15
3.15
31.5
3.35
1.6
4
4
35
4.25
2.0
5
5
40
5.30
2.5
6.3
6.3
45
6.70
3.15
8
8
50
8.50
4
10
10
56
10.6
5
12.5
12.5
63
13.2
6.3
16
16
71
17.0
8.0
20
20
80
21.2
10.0
25
25
100
26.5
12.5