Hymnorq 40-Piece M35 Cobalt Steel Twist Drill Bit Set, Sizes 3/64", 1/16", 5/64", 3/32" (10 Each), Fully Ground HSS-CO Jobber Bits with 118° Point for Stainless Steel, Hard Metal, Cast Iron & Wood
Product details
| Management number | 219055973 | Release Date | 2026/05/03 | List Price | $5.20 | Model Number | 219055973 | ||
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| Category | |||||||||
- Premium M35 Cobalt Grade: Constructed from High-Speed Steel containing 5% Cobalt (HSS-CO), these bits boast a Rockwell Hardness of 65-67 HRC. This advanced composition offers superior heat resistance and wear durability compared to standard HSS bits, making them essential for drilling through tough metals like stainless steel, high-carbon steel, and cast iron.
- High-Value 40-Piece Assortment: Small drill bits are prone to breaking during precision work. This bulk set includes 40 pieces in the 4 most commonly used fractional sizes: 3/64", 1/16", 5/64", and 3/32" (10 bits per size). You will always have plenty of spares on hand, ensuring your project never stops due to a broken bit.
- Fully Ground & Precision Balance: Unlike roll-forged alternatives, our bits are fully ground from solid material. This manufacturing process guarantees precise dimension accuracy, excellent concentricity, and a smooth dual-flute geometry that ejects chips rapidly to prevent overheating and clogging.
- Durable 118° Chisel Point: Features a classic 118-degree point angle that balances cutting speed with tip strength. This design is ideal for general-purpose drilling and provides better stability and longevity when working with hand drills or on materials where a sharper point might chip.
- Versatile Application: The straight shank design ensures a secure fit in standard drill chucks and collets. Finished with an abrasion-resistant bronze coating, these bits are perfect for DIY repairs, model making, jewelry crafting, and professional maintenance on metal, hard plastics, and wood.
| UPC | 681413691339 |
|---|---|
| Model | M35 |
| Set Name | 40pcs inch 4size |
| Brand Name | HYMNORQ |
| Shank Type | Straight |
| Unit Count | 1.0 Count |
| Part Number | M35 |
| Point Style | Split Point |
| Finish Types | Bronze |
| Manufacturer | Hymnorq |
| Material Type | Cobalt Steel |
| Tool Flute Type | Spiral |
| Cutting Diameter | 3/64, 1/16, 5/64, 3/32 Inches |
| Number of Flutes | 2 |
| Number of Pieces | 40 |
| Included Components | 40 pieces of cobalt drill bits |
| Cutting Angle String | 118 Degrees |
| Surface Recommendation | Stainless Steel |
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