HSS 60 Degree Centre Drill Bit 1.0-10mm DIN333 Type A

HSS 60 Degree Centre Drill Bit 1.0-10mm DIN333 Type A, Hss Centre Drill A B R Type High Speed Steel For Industrial, HSS Cobalt Center Drill Bit for Centre Drilling, Solid Carbide HSS Central Drill Bit, M2 HSS 60° Angle Center Drill Bits Kit Countersink Tools, Carbide Center Drills, High-Speed Steel Center Drills, Center Drill Countersink Set, Woodworking Metalworking & Multipurpose Drill Bits China Supplier Factory

HSS 60 Degree Centre Drill Bit 1.0-10mm DIN333 Type A Specifications
Procuct Name HSS DIN333 Form A Center Drill Bit
Material HSS4241,4341,6542 (Co5%-M35,Carbide are Available)
Process Fully Ground
Flute Straight Flutes(2 Flute is Available)
Surface Bright Finishing(Amber,Tin-coated ,AlTiN coated are Available)
Size 1.0MM-10MM
Standard DIN333A(DIN333B,DIN333R,Extra Long,GOST 14952-75 are Available)

PRODUCT SIZE: Our long-lasting center countersink drill bit set includes 7 pieces in different sizes 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 4.0mm and 5.0mm to satisfy different needs. These drill bits are designed for precise, efficient drilling. This set comes with a portable storage case for convenient use, storage, and easy organization.
WIDE APPLICATION: Designed primarily for use on metal lathes, lathe tools, and drill presses, these center drill bits are used for precise hole spotting and starter hole positioning for larger drill bits. Suitable for a range of tough materials including steel, carbon steel, aluminum, iron, brass, wood and more. With recommended material hardness from 170–200 HB. Some sizes can also be used with electric drills when proper alignment and adequate chuck capacity are available
HIGH QUALITY: These center drill bits are crafted from premium M2 high-speed steel, offering outstanding hardness, solid construction, durability, and exceptional resistance to high-temperature wear. Designed for long-lasting performance and precise drilling results
EXACT PRECISION: Featuring a 60-degree cutting angle, these metal drill bits ensure accurate centering and are ideal for drilling precise center holes, 60-degree countersink holes, and starter holes for larger drill bits on metal surfaces. The accurate design helps prevent bit walking and delivers consistent, reliable performance every time  HSS Cobalt M35 Center Drill Bit Set
CUSTOMER SUPPORT: Customer satisfaction is important to us. If you have any questions or concerns, please feel free to contact us. Our support team will respond within 24 hours and work with you to ensure a smooth and reliable solution

FEATRUE

1. Using high-quality W6Mo5Cr4V21, after strict heat treatment, the quenching hardness is stable, the rigidity is good, the wear resistance is strong, the dismantling resistance is strong, and the service life is long.  Center Drill Bit Set M2 High Speed Steel

2. The whole grinding process is adopted, the overall shape is formed, and the size is stable. High precision and stable performance. Good surface finish, beautiful and practical.

3. Heat treatment hardness up to 63-66HRC, high tooth strength, sharp cutting and high processing efficiency.

4. The drilling center is positioned accurately, the wear resistance is good, and it is not easy to break.

INSTRUCTION

1. Type A center drill is a cutting tool and is mainly used for metal drilling. The user must choose the type of center drill reasonably according to the hole type and ruler size of the parts to be processed.  HSS Centering Drill Bits Set Countersink Lathe Bit Sharp Durable

2. The A-type drill has a hardness of 65 degrees and can be used for heat treatment of abrasive steel with a hardness of 40 degrees, and stainless steel for drilling

3. Before the tool is reused, the anti-rust grease must be washed to prevent chips from sticking to the cutting edge and affecting the cutting performance

4. When working with manual drills, the center drill should achieve the required positional accuracy

5. The surface of the workpiece to be processed should be straight, and there should be no sand holes or hard spots to avoid damage to the tool.

6. Cutting fluid: Choose different cutting fluid according to the processing object, and the cooling should be sufficient

7. Matters needing attention: If there is an abnormal situation during processing, it should be stopped immediately, and the cause can be found out before processing. Pay attention to the wear of the cutting edge and repair it in time; after using the tool, clean the oil on the surface and keep it properly.  Bright Finishing HSS Central Drill Bit

 

 

Type A HSS Center Drill
d	D	L	I
1.00	3.15	33.50	1.90
1.25	3.15	33.50	1.90
1.60	4.00	37.50	2.80
2.00	5.00	42.00	3.30
2.50	6.30	47.00	4.10
3.15	8.00	52.00	4.90
4.00	10.00	59.00	6.20
5.00	12.50	66.00	7.50
6.30	16.00	74.00	9.20
Type B HSS Center Drill
d	D	L	I
1.00	4.00	37.50	1.90
1.25	5.00	42.00	2.20
1.60	6.30	47.00	2.80
2.00	8.00	52.00	3.30
2.50	10.00	59.00	4.10
3.15	11.20	63.00	4.90
4.00	14.00	70.00	6.20
5.00	18.00	78.00	7.50
6.30	20.00	83.00	9.20
Type R HSS Center Drill
d	D	L	I
1.00	3.15	33.50	3.00
1.25	3.15	33.50	3.35
1.60	4.00	37.50	4.25
2.00	5.00	42.00	5.30
2.50	6.30	47.00	6.70
3.15	8.00	52.00	8.50
4.00	10.00	59.00	10.60
5.00	12.50	66.00	13.20
6.30	16.00	74.00	17.00

Other specification is also available according to your requirements. (OEM, ODM )
Pls. contact us freely for more information, I will reply you ASAP!