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Size: ▶1/4" to 1-3/8" (10 Steps):
1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8"
▶3/16" to 7/8" (12 Steps):
3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8"
▶1/4" to 3/4" (9 Steps):
1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
▶1/8" to 1/2" (13 Steps):
1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"
▶3/16" to 1/2" (6 Steps):
3/16", 1/4", 5/16", 3/8", 7/16", 1/2"
Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes. You are capable to drill holes in different sizes which can meet your normal needs.
The split point tip, set at a 118-degree angle, significantly enhances wear resistance, making the drill bits long-lasting and efficient. The innovative two-flute design facilitates
smoother cutting and enables easy evacuation of material particles, promoting cleaner and more precise drilling operations.
Application | ||||||
HSS Grade | Iron | Aluminum | Carbon Steel | Tile | Plastic | Stainless Steel |
4241 | YES | YES | NO | NO | YES | NO |
| 4341 | YES | YES | YES | NO | YES | YES |
6542(M2) | YES | YES | YES | NO | YES | GOOD |
M35 (Co 5%) | YES | YES | YES | NO | YES | VERY GOOD |
| DESCRIPTION OF HSS | C | W | Mo | Cr | V | Co | Si | Mn | P | S |
| % | % | % | % | % | % | % | % | % | % | |
| W4Mo3Cr4V(4341) | 0.88-0.98 | 3.5-4.5 | 2.5-3.5 | 3.8-4.4 | 1.2-1.8 | 0.5-1.2 | 0.2-0.4 | <=0.03 | <=0.03 | |
| W6Mo5Cr4V2(M2) | 0.8-0.9 | 5.5-6.75 | 4.5-5.5 | 3.8-4.4 | 1.75-2.2 | - | 0.2-0.4 | 0.2-0.4 | <=0.03 | <=0.03 |
| W6Mo5Cr4V2Co5(M35) | 0.9-0.95 | 5.5-6.5 | 4.5-5.5 | 3.8-4.4 | 1.75-2.2 | 4.5-5.5 | 0.2-0.4 | 0.2-0.4 | <=0.03 | <=0.03 |
| W2Mo9Cr4V2Co8(M42) | 1.05-1.15 | 1.15-1.85 | 9.0-10.0 | 3.5-4.25 | 0.95-1.25 | 7.75-8.75 | 0.15-0.65 | 0.15-0.4 | <=0.02 | <=0.025 |
| Metric size | SIZE RANGE | INCREMENT | STEP NO. | SHANK |
| 4-12 | 1mm | 9 | 6mm | |
| 4-12 | 2mm | 5 | 6mm | |
| 4-20 | 2mm | 9 | 8mm | |
| 4-22 | 2mm | 10 | 8mm | |
| 5-35 | 2-3mm | 13 | 13mm | |
| 6-12 | 1mm | 7 | 8mm | |
| 6-18 | 2mm | 7 | 10mm | |
| 6-20 | 2mm | 8 | 10mm | |
| 6-30 | 2mm | 13 | 10mm | |
| 6-30 | 2-3mm | 12 | 10mm | |
| 6-38 | 2-3mm | 12 | 10mm | |
| 9-36 | 3mm | 10 | 10mm | |
| 10-20 | 1mm | 11 | 10mm | |
| 10-45 | 5mm | 8 | 13mm | |
| 12-20 | 1mm | 9 | 10mm | |
| 14-24 | 2mm | 6 | 13mm | |
| 20-30 | 1mm | 11 | 13mm | |
| 20-34 | 2mm | 8 | 13mm | |
| Imperial size | 1/8"-1/2" | 1/32" | 13 | 1/4" |
| 3/16"-1/2" | 1/16" | 6 | 1/4" | |
| 1/4"-3/4" | 1/16" | 9 | 3/8" | |
| 3/16"-7/8" | 1/16" | 12 | 3/8" | |
| 9/16"-1" | 1/16" | 8 | 1/2" | |
| 13/16"-1-3/8" | 1/16" | 10 | 1/2" | |
| 1/4"-1-3/8" | 1/8" | 10 | 1/2 " |
Custom OEM/ODM Solutions
Product Customization:
Submit your design drawings or physical samples – we engineer precision twist drills tailored to your specifications.
Optimize existing tools for enhanced durability, cutting speed, or cost efficiency.
Packaging Design
Retail-Ready Solutions:
Custom-branded boxes, multi-language manuals, or eco-friendly packaging.
Design-to-delivery support for seamless market entry.
