BB Center Drill HSS Co M35 Countersink Chamfer Lath Bit A Form 60 Degree Diameter 1 1.5 1.6 2 3.15 4 5 6 for Metal Aluminum
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Specifications
- Brand Name
- BB
- DIY Supplies
- Metalworking
- Type
- Center Drill Bit
- High-concerned chemical
- None
- Origin
- Mainland China
- Model Number
- A B
- Material
- High Speed Steel
- Use
- Metal Drilling
- is_customized
- Yes
- Tip angle
- 60° countersink angle
- Made of
- Carbide & HSS
- A
- Plain form
- B
- Bell form
Product Description
BB® Center Drill 60°
is used for producing center holes in work pieces which require machining between centers.
-Right-hand cut
1mm-3.15mm---10pcs/pack
4mm- 5mm--- 5pcs/pack
6mm---1pcs/pack
HSS suitable for center drill and chamfering in general materials. HRC＜20
1*D3.15*31
1.25*3.15*31
1.5*D4
1.6*D4*35.5
2*D5*40
2.5*D6.3*44
3*D8*50
3.15*8D*50
4*D10*56
5*D12.5*63
6*D16*90
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Product information last updated on February 8, 2026