| Brand Name: | XRTOOLS |
| Model Number: | 14mm |
| MOQ: | 500PCS |
| Price: | 0.05-1.25$/PCS |
| Delivery Time: | 30-45days |
| Payment Terms: | T/T, L/C, D/P |
The HSS 4241 Roll Forged Twist Drill Bit, manufactured by Jiangsu Xing Rui Precision Tools, is a reliable and cost-effective choice for general-purpose drilling applications. Crafted from high-speed steel grade 4241, it delivers a perfect balance of toughness and cutting performance in non-hardened materials.
Produced through a roll forging process, this drill bit features uniform flutes and a hardened body structure that ensures high-speed cutting, better chip evacuation, and minimized vibration. It’s a perfect choice for both industrial and DIY users who seek dependable performance without a high cost.
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These drill bits are designed to meet the everyday needs of a wide variety of users. Common application areas include:
DIY/Home Improvement
Installing shelves or curtain rods on wooden and metal frames
Drilling pilot holes for screws or anchors in household materials
Creating openings in PVC piping or electrical boxes
Automotive & Mechanical Repairs
Drilling through car body panels or mild steel brackets
Fabricating custom metal parts or sheet components
Ideal for maintenance tasks in workshops and garages
Construction & Installation
Used in HVAC ducting installations
Electrical box and conduit fitting on site
Wood framing and light steel component preparation
Manufacturing & Light Industry
Suitable for small-scale fabrication shops
Used in jig and fixture creation
Component hole drilling in assembly lines
Note: Not suitable for hardened steel or stainless steel – for those materials, we recommend our M35 cobalt drill bits.
Material: High-Speed Steel 4241 – suitable for soft metals, plastics and wood
Point Angle: 118° for fast centering and minimal walking
Manufacturing: Roll forged – enhances durability and cost-efficiency
Surface: Bright finish or black oxide coating available
Shank: Straight shank – fits standard 3-jaw drill chucks
Sizes: Full metric range from 1.0mm to 13.0mm
| Diameter (mm) | Overall Length (mm) | Flute Length (mm) |
|---|---|---|
| 1.0 | 34 | 12 |
| 1.5 | 40 | 18 |
| 2.0 | 49 | 24 |
| 2.5 | 57 | 30 |
| 3.0 | 61 | 33 |
| 3.2 | 65 | 36 |
| 3.5 | 70 | 39 |
| 4.0 | 75 | 43 |
| 4.2 | 75 | 45 |
| 4.5 | 80 | 47 |
| 5.0 | 86 | 52 |
| 5.2 | 86 | 52 |
| 5.5 | 93 | 57 |
| 6.0 | 93 | 57 |
| 6.5 | 101 | 63 |
| 7.0 | 109 | 69 |
| 7.5 | 109 | 69 |
| 8.0 | 117 | 75 |
| 8.5 | 117 | 75 |
| 9.0 | 125 | 81 |
| 9.5 | 125 | 81 |
| 10.0 | 133 | 87 |
| 10.5 | 133 | 87 |
| 11.0 | 142 | 94 |
| 11.5 | 142 | 94 |
| 12.0 | 151 | 101 |
| 12.5 | 151 | 101 |
| 13.0 | 151 | 101 |
Imperial sizes from 1/16" to 1/2" are also available upon request.
Q1: Can this drill bit be used on stainless steel?
A: No, HSS 4241 is not suitable for stainless steel. Please choose M35 cobalt drill bits instead.
Q2: What’s the difference between roll forged and ground drill bits?
A: Roll forged bits are made by forming under pressure, offering cost-efficiency and good performance in soft materials. Ground bits are machined for better precision and are used for harder materials.
Q3: Is this drill bit compatible with cordless drills?
A: Yes. The straight shank fits all standard 3-jaw chucks in cordless and corded electric drills.