1-20mm
Customized
DIN
Jobber-length
Twist Drill Bit
High Speed Steel
Metal Drilling
1mm-20mm
HSS Co,HSS M2, HSS 4341, HSS 4241
Black&Gold
Plastic Box/ Customized
500
30days-45days
138°
Fully Ground
Triangle Shank
OEM
Plastic Box
1-20mm
China
82075090
Product Description
HSS CO Black & Gold Oxide Finish Metal Drill Bit
With our expertise and commitment to quality, SPEEDYTOOLS delivers precision twist drills, taper shank drills, step drills, countersinks, end mills, center drills, hole saws, diamond saw blades, and TCT saw blades for superior cutting performance in every application


The HSS CO Triangle Shank Black & Gold Oxide Finish Metal Drill Bit is a high-performance tool designed for precision drilling in hard metals. Featuring a high-speed steel construction with cobalt (HSS CO), this drill bit ensures superior durability and heat resistance. The black and gold oxide finish provides excellent wear and corrosion resistance, while the unique triangle shank design offers a secure grip and prevents slippage during use.










The HSS CO Triangle Shank Black & Gold Oxide Finish Metal Drill Bit is a high-performance tool designed for precision drilling in hard metals. Featuring a high-speed steel construction with cobalt (HSS CO), this drill bit ensures superior durability and heat resistance. The black and gold oxide finish provides excellent wear and corrosion resistance, while the unique triangle shank design offers a secure grip and prevents slippage during use.
Standard | DIN338 | MOQ | 500 |
Size | 1-20MM | Delivery time | 30-45days |
Material | HSS CO,HSS M2, HSS 4341, HSS 4241 | Split Point | 135° |
Surface | Black&Gold | Process | Fully Ground |
Package | Plastic Box | Shank Type | Triangle Shank |

Specifications:
- Material: High-Speed Steel with Cobalt (HSS CO)
- Finish: Black and Gold Oxide
- Shank Design: Triangle shank
- Sizes: 1-20mm
- Applications: Ideal for drilling in hard metals, including stainless steel, cast iron, and titanium alloys

Features:
- Material: High-Speed Steel with Cobalt (HSS CO)
- Finish: Black and Gold Oxide
- Shank Design: Triangle shank for enhanced grip and reduced slippage
- Application: Ideal for drilling in hard metals such as stainless steel, cast iron, and titanium alloys

Benefits:
- Enhanced Durability: HSS CO material provides superior hardness and heat resistance for longer tool life
- Corrosion Resistance: Dual oxide finish offers excellent protection against wear and corrosion
- Secure Grip: Triangle shank design ensures a secure grip in the drill chuck, preventing slippage
- Precision: Precision-ground tip ensures accurate and clean drilling in hard metals




