ZHANGJIAGANG FLAME MACHINERY CO.,LTD.
| Product name | 1/4" Hex Shank Brad Point Drill Bit |
| Packaging Details | Each item will be transparent plastic box |
| Supply Ability | 20000SET PER DAY |
| Size | 1/16"-3/8" |
| Material | HSS-4241 |
| Sample | Acceptable |
| Advantage | Steady drilling,Factory price |
| Type | Twist Drill Bit |
| Payment Terms | L/C, T/T, D/P, Western Union |
| Delivery Time | 25-30 days |
| Surface Finish | Black & Bright |
| Process | Roll Forged |
| Packing | Plastic Box,hang bag,plastic tube,PVC bag |
| Shank | Quick Change Hex Shank |
| Brand Name | XRTOOLS |
| Place of Origin | CHINA |
| Certification | ISO9000 |
| Model Number | 1/16"-3/8" |
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Product Specification
| Product name | 1/4" Hex Shank Brad Point Drill Bit | Packaging Details | Each item will be transparent plastic box |
| Supply Ability | 20000SET PER DAY | Size | 1/16"-3/8" |
| Material | HSS-4241 | Sample | Acceptable |
| Advantage | Steady drilling,Factory price | Type | Twist Drill Bit |
| Payment Terms | L/C, T/T, D/P, Western Union | Delivery Time | 25-30 days |
| Surface Finish | Black & Bright | Process | Roll Forged |
| Packing | Plastic Box,hang bag,plastic tube,PVC bag | Shank | Quick Change Hex Shank |
| Brand Name | XRTOOLS | Place of Origin | CHINA |
| Certification | ISO9000 | Model Number | 1/16"-3/8" |
| High Light | industrial metric drill bits ，industrial woodworking drill bits ，hss metric drill bits | ||
Standard drill bits often vibrate or flex when used in high-speed impact drivers, leading to imprecise holes. Our Stubby Series (Total Length: 2.32") is engineered for maximum rigidity and control. By optimizing the length for compact spaces, we’ve eliminated bit "walking" and increased torsional strength.
Forged from premium High-Speed Steel (HSS), these bits are designed for professional cabinet makers and installers who require perfectly centered, splinter-free holes in tight quarters.
Based on the provided specifications, all bits in this set feature a consistent overall length for uniform depth control.
| No. | Specification (D) | Flute Length (L2) | Overall Length (L1) | Shank Type |
| 1 | 1/16" | 0.90" | 2.32" | 1/4" Hex Shank |
| 2 | 3/32" | 1.10" | 2.32" | 1/4" Hex Shank |
| 3 | 1/8" | 1.10" | 2.32" | 1/4" Hex Shank |
| 4 | 3/16" | 1.10" | 2.32" | 1/4" Hex Shank |
| 5 | 1/4" | 1.18" | 2.32" | 1/4" Hex Shank |
| 6 | 5/16" | 1.18" | 2.32" | 1/4" Hex Shank |
| 7 | 3/8" | 1.18" | 2.32" | 1/4" Hex Shank |
The uniform 2.32-inch length is specifically designed for working inside cabinetry, drawers, or between studs. The short-body construction significantly reduces the risk of bit breakage—a common issue with thin-diameter bits like 1/16" or 3/32".
The sharpened center point acts as a pilot, ensuring your hole starts exactly where you marked it. It prevents "skating" on polished wood or laminated surfaces, which is critical for precision hardware mounting.
Crafted from High-Speed Steel (HSS), these bits stay sharp longer than standard carbon steel bits. The wide, polished flutes facilitate rapid chip evacuation, preventing friction heat and burn marks on the wood.
The universal power hex shank provides a non-slip grip in impact drivers and quick-release chucks, allowing for rapid tool transitions on the job site.
Cabinet Installation: Ideal for drilling shelf pin holes and hinge recesses inside pre-assembled units.
Furniture Assembly: Precise pilot holes for screws in hardwoods, softwoods, and plywood.
Renovation: Compact enough for drilling in confined spaces between joists or plumbing lines.
Plastics & Drywall: Clean-hole drilling in PVC piping and drywall without tearing or cracking.
Q1: Why are these bits called "Stubby"?
A1: "Stubby" refers to the shortened overall length (2.32"). This design provides better leverage and access in confined spaces where a standard 4-6 inch bit won't fit. It also increases the bit's strength, preventing it from snapping under high torque.
Q2: Can I use these in a standard impact driver?
A2: Yes. The 1/4" Hex Shank is a universal fit for all modern impact drivers, cordless drills, and quick-change bit holders.
Q3: Are these bits suitable for drilling into metal?
A3: No. While they are made of High-Speed Steel (HSS), the Brad Point and Double Spur geometry are specifically precision-ground for wood and plastics. Using them on metal will damage the delicate centering tip and outer spurs.
Q4: Do these bits prevent wood splintering?
A4: Absolutely. The outer spurs shear the wood fibers at the edge of the hole before the main cutters remove the waste, resulting in a clean-cut entrance and exit.
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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