ZHANGJIAGANG FLAME MACHINERY CO.,LTD.
| Type | Twist Drill Bit |
| Use | stainless steel |
| Surface | amber color |
| Material | HSS-M35 |
| Name | metal drill bit |
| Hardness | HRC66-67 |
| Point angle | 135 and 118 Degree Split Point |
| Shank | Straight Shank |
| Process | milled and fully ground |
| Payment Terms | T/T, L/C, D/P |
| Supply Ability | 400,0000Pcs Per Mouth |
| Delivery Time | 30-45days |
| Packaging Details | Plastic box,Double Blister card |
| Size | 16.5mm |
| Brand Name | XRTOOLS |
| Model Number | 16.5MM |
| Certification | ISO9000 |
| Place of Origin | JIANG SU |
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Product Specification
| Type | Twist Drill Bit | Use | stainless steel |
| Surface | amber color | Material | HSS-M35 |
| Name | metal drill bit | Hardness | HRC66-67 |
| Point angle | 135 and 118 Degree Split Point | Shank | Straight Shank |
| Process | milled and fully ground | Payment Terms | T/T, L/C, D/P |
| Supply Ability | 400,0000Pcs Per Mouth | Delivery Time | 30-45days |
| Packaging Details | Plastic box,Double Blister card | Size | 16.5mm |
| Brand Name | XRTOOLS | Model Number | 16.5MM |
| Certification | ISO9000 | Place of Origin | JIANG SU |
| High Light | Heavy Duty HSS Drill Bit ，hss taper drill bit DIN345 ，Cast Iron cobalt steel drill bits | ||
Heavy-Duty M35 Cobalt DIN345 Taper Bit – Ideal for Cast Iron, Pipe, Beams, and Plates
The XRTOOLS M35 DIN345 Taper Shank Drill Bit is an industrial-grade cutting tool engineered for deep-hole, high-precision drilling in demanding materials like stainless steel, cast iron, and alloy steel. Manufactured from M35 high-speed cobalt steel (5% Co), this bit delivers exceptional hardness, red hardness, and abrasion resistance for long service life—even in high-temperature drilling applications.
Designed in strict accordance with DIN 345 standards, it features a Morse taper shank (MT1–MT5), allowing for direct, chuck-free installation in lathe tailstocks, radial drill machines, and boring mills.
Each M35 DIN345 bit is fully ground and CNC-milled to ensure high dimensional accuracy and consistent performance:
| Element | Detail |
|---|---|
| Manufacturing | CNC Milling & Precision Flute Grinding (fully ground body) |
| Material | M35 Cobalt HSS (5% cobalt) – superior heat & wear resistance |
| Point Design | Standard 118° point angle or optional 135° split point |
| Cutting Edge | Chisel edge with web thinning for reduced feed pressure |
| Flute Design | Straight flute with deep spiral groove for optimal chip ejection |
| Shank Type | Morse Taper (MT1 to MT5) with precise taper per DIN345 specs |
| Runout Tolerance |
Strict concentricity for vibration-free drilling |
This optimized geometry ensures fast centering, low cutting resistance, and accurate bore alignment, especially for large-diameter holes and deep-hole applications.
The M35 DIN345 taper shank drill is ideal for use in:
| Industry | Application Examples |
|---|---|
| Metal Fabrication | Drilling baseplates, steel frames, I-beams, and thick sections |
| Machining & Lathes | Center hole and deep boring in carbon steel, stainless, and hardened steels |
| Shipbuilding / Rail | Precision drilling in cast housings, weldments, and structural plates |
| Maintenance & Repair | Equipment retrofitting and bolt hole creation in heavy steel assemblies |
| Tool & Die Making | Boring holes in tool steel and alloy materials for dies, jigs, and press tooling |
Compatible with manual feed and CNC-controlled machines, this bit is perfect for professional workshops, machining centers, and heavy industry environments.
| Feature | Details |
|---|---|
| Standard | DIN345 / ISO 235 |
| Material | M35 Cobalt High-Speed Steel (5% cobalt) |
| Diameter Range | 10mm – 50mm (3/8" – 2") |
| Shank Type | Morse Taper (MT1, MT2, MT3, MT4, MT5) |
| Point Angle | 118° standard / Optional 135° split point |
| Flute Type | Ground straight flute |
| Surface Finish | Bright / Black Oxide / TiN / TiAlN / Steam Tempered |
| Total Length | 150mm – 400mm (varies by diameter) |
| Tolerance | h8 (shank), m7 (cutting section) |
| Hardness | HRC 66–67 (M35 Co steel) |
Single Tube Packaging: Plastic case with size + spec label
Bulk Box: 5 or 10 pcs per size – ideal for industrial distributors
OEM Branding: Custom logo laser marking, bilingual packaging (EN/RU), TiN/TiAlN surface upon request
Set Packaging: Metric or inch sets in metal boxes or plastic cassettes available
High cobalt content for superior red hardness and lifespan
Fully CNC milled for concentricity and precise entry
Morse taper shank for direct-fit installation (no chuck slippage)
Withstands high RPM and feed rates in automated machines
Designed for industrial use in U.S., Europe, and Russian equipment standards
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2018
Total Annual:
500-600
Employee Number:
135~150
Ecer Certification：
Verified Supplier
Jiangsu Xing Rui Precision Tools Co., Ltd. is a leading manufacturer of high-quality cutting tools in China, established in 2008 and located in Danyang, Jiangsu Province—a major hub for cutting tool production with convenient transportation for global logistics. Main Products We speciali... Jiangsu Xing Rui Precision Tools Co., Ltd. is a leading manufacturer of high-quality cutting tools in China, established in 2008 and located in Danyang, Jiangsu Province—a major hub for cutting tool production with convenient transportation for global logistics. Main Products We speciali...
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