HSS Cobalt Drill Bit Set DIN338 PVC Hardened Iron Drilling

• Customization: Available
• Customized: Customized
• Standard: DIN, AISI, Other
• Model NO.: CJDH-03
• Length: Jobber-length
• Type: Twist Drill Bit
• Material: High Speed Steel
• Usage: Well Drilling, Metal Drilling, Masonry Drilling
• Process: Roll Forged / Full Ground / Milled
• Shank Type: Round Shank
• Groove: Single / Double
• Heat Treatment: Full Groove Length Heat Treatment
• Hardness: HRC 65-67
• Certificate: ISO9001 Shank Drill Bit
• Angel Point: 118 or 135
• Transport Package: Plastic or Metal Box(Tube), Carton Box
• Specification: High Speed Steel, HSS Co
• Trademark: JG or OEM
• Origin: Jiangsu, China
• Production Capacity: 10000 PCS/Day

Product Description

Product Description

 

Product:	HSS  Cobalt Drill Bits
Brand:	JG / OEM
Size:	1-20.0 mm
Raw Material:	HSS Co
Hardness:	65-67HRC
Application:	Mainly Used To Drill Wood and Aluminium
MOQ:	1000 PCS
Payment Terms:	L/C , T/T
Delivery Time:	30-45 Days After Payment
Packing:	Plastic Box, Blister, PVC bag, etc.

 

• Sharp blade, fast drilling hole. Super-hard, wear-resistant.

• Good toughness, wear resistance, high temperature resistant.

• Suitable for iron, steel, wood and aluminum, tool steel

High-Speed Steel Cobalt Drill Bit Set

Engineered for precision and durability, this high-speed steel (HSS) cobalt drill bit set stands as a professional-grade solution for tackling the toughest drilling tasks. Crafted from premium HSS alloy infused with 5% cobalt, these bits offer exceptional heat resistance and wear resistance, making them ideal for drilling through hard materials that standard bits struggle with-including stainless steel, cast iron, hardened steel, and other high-tensile alloys.

The set includes a comprehensive range of sizes, from 1/16 inch to 1/2 inch, ensuring versatility across various applications, whether you're working on automotive repairs, metal fabrication, construction projects, or DIY home improvements. Each bit features a precision-ground 135° split point tip, which eliminates the need for pre-drilling by reducing walking and ensuring fast, accurate penetration. The parabolic flute design enhances chip evacuation, preventing clogging and overheating during extended use, thus prolonging the bit's lifespan.

Heat-treated for maximum hardness (up to 65 HRC), these drill bits maintain their sharpness even under high-speed drilling conditions, delivering consistent performance in both corded and cordless drills. The shanks are designed to fit standard three-jaw chucks securely, minimizing slippage and ensuring stable operation.

Durably housed in a rugged, organized case, the set keeps each bit protected and easily accessible, reducing the risk of damage or loss. Whether you're a professional machinist, mechanic, or a passionate DIY enthusiast, this HSS cobalt drill bit set provides the reliability and precision needed to handle demanding drilling jobs with confidence.

Invest in a tool that combines cutting-edge materials with thoughtful engineering-this drill bit set is built to outlast and outperform, making it an essential addition to any workshop or toolbox.

Company Information

Our Services

   1)We offer one-stop shopping, and the consolidation of shipment

 2)We have our own professional design team and offer OEM service

 3)28 years tool experience and we're able to help build your own brand

 4)24 on-line service. Pls feel free to contact us with any questions, and we're glad to provide you more details at any time