4341 HSS Drill Bit Black Gold Milled Drill Bit 1/2" Reduced Shank Twist Bit For Steel
4341 Milled Reduced Shank Drill Bit – Black & Gold Finish | XRTOOLS
4341 HSS Black & Gold Milled Drill Bit – 1/2" Reduced Shank Twist Bit for Steel, Wood
Engineered for everyday drilling performance, the XRTOOLS 4341 reduced shank drill bit delivers a reliable solution for professionals and DIYers alike. Milled from high-speed steel (HSS) grade 4341, this drill bit offers a precise cutting edge, superior to roll-forged alternatives. With its black and gold surface treatment, it resists wear, reduces friction, and adds a professional look to your toolkit.
Designed with a reduced shank, it allows oversized cutting diameters (1/2", 5/8", 3/4") to fit into standard 3/8" or 1/2" drill chucks – ideal for cordless drills, electric hand drills, and bench presses widely used in both U.S. garages and Russian workshops.
Real-World Use Cases
Construction Site (USA / RU): Create anchor holes in mild steel beams or drill through wood joists for wiring.
Auto Repair Garage: Drill through aluminum brackets or modify chassis panels with precision.
Home Workshop: Suitable for cabinet makers, metal furniture builders, or DIY shelving systems.
Factory Line Maintenance: Fix control panels or perform structural drilling into steel and plastics.
Woodshop: Perfect for hardwood, MDF, or making jig templates.
Why Choose XRTOOLS 4341 Milled Drill Bits?
Milled Construction – More accurate and longer lasting than roll forged bits
4341 HSS Material – Ideal for general-purpose metal and wood drilling
Black & Gold Finish – Rust-resistant and thermally stable under friction
Reduced Shank – Allows large bits to be used with smaller drill chucks
Optimized Tip – 118° split point for better centering and smoother entry
Cross-Market Fit – Supports both 10mm/13mm Russian drills & 3/8"/1/2" U.S. drills
Standard Sizes and Technical Data
| Cutting Diameter | Shank Diameter | Overall Length | Tip Angle | Process | Finish | Common Use Case |
|---|---|---|---|---|---|---|
| 3/8" (9.5 mm) | 5/16" (8 mm) | ~80 mm | 118° | Milled | Black & Gold | Mild steel sheets, plywood |
| 1/2" (12.7 mm) | 3/8" (9.5 mm) | ~100 mm | 118° | Milled | Black & Gold | Framing wood, steel brackets |
| 9/16" (14.3 mm) | 1/2" (12.7 mm) | ~110 mm | 118° | Milled | Black & Gold | Fence post mounts, metal conduit |
| 5/8" (15.8 mm) | 1/2" (12.7 mm) | ~120 mm | 118° | Milled | Black & Gold | Automotive panels, electrical box work |
| 11/16" (17.5 mm) | 1/2" (12.7 mm) | ~125 mm | 118° | Milled | Black & Gold | HVAC ducting, thick wood |
| 3/4" (19.0 mm) | 1/2" (12.7 mm) | ~130 mm | 118° | Milled | Black & Gold | Cabinet hinges, heavy steel, wood lathing |
| 13 mm | 10 mm | ~125 mm | 118° | Milled | Black & Gold | Metal doors, reinforced pipes |
| 16 mm | 12.5 mm | ~130 mm | 118° | Milled | Black & Gold | Industrial steel frames |
| 18 mm | 13 mm | ~135 mm | 118° | Milled | Black & Gold | Boreholes for wall anchors |
| 20 mm | 13 mm | ~140 mm | 118° | Milled | Black & Gold | Large-diameter woodworking or pipe access |
Packaging Options
Retail Ready: Blister cards or individual tubes with UPC/barcode
Workshop Bulk: 10–25 pcs per carton or industrial tube
Kits: 3-pc, 5-pc, or custom assortments (e.g. 3/8"+1/2"+5/8")
Private Label OEM: Custom logo, labels, color scheme, bilingual (EN/RU)
How to Use
Use coolant or oil when drilling steel to prevent tip blunting
Keep RPM low on hard metal (under 600 rpm for 1/2" in mild steel)
For wood, use high RPM and dry drilling
Always secure the material and wear safety glasses
1.Warranty & Support
2.12-Month product replacement guarantee
3.Documentation: ISO 9001, MSDS, CoC available
Multilingual support for US & RU markets
4.Drop shipping & fast fulfillment for online sellers
Common Questions
Q: Can I drill stainless steel with this bit?
A: 4341 is ideal for mild steel and wood. For stainless, we recommend M35 or M42.
Q: Will it fit a cordless drill from the U.S. or Russia?
A: Yes – it fits standard 3/8" or 13mm chucks, compatible globally.
Q: Is this bit suitable for batch production use?
A: For high-volume metal drilling, a ground HSS M2 or cobalt bit is better. This is ideal for low/medium-load operations.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.