Diager 781B 10pcs HSS Metal Drill Bit Set
HIGHLIGHTS: The Diager 781B 10pcs HSS Metal Drill Bit Set is designed for fast, accurate drilling with cordless impact drivers and drill drivers. Each drill bit is manufactured from monobloc High-Speed...

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HIGHLIGHTS:
The Diager 781B 10pcs HSS Metal Drill Bit Set is designed for fast, accurate drilling with cordless impact drivers and drill drivers. Each drill bit is manufactured from monobloc High-Speed Steel (HSS) and features a 1/4" (6.35 mm) Quick-Lock hex shank for secure bit retention and rapid bit changes.
Featuring a 135° split point, the drill bits provide precise hole starts with minimal wandering while delivering fast penetration. The L-shaped flute efficiently removes chips for smoother drilling performance in metal, wood, plastics, brass, and composite materials.
Supplied in a compact storage case, this 10-piece assortment covers the most commonly used drill sizes, making it ideal for installers, electricians, fabricators, maintenance technicians, and general construction professionals.
FEATURES:
- 10-piece Monobloc HSS Drill Bit Set for professional drilling applications.
- 1/4" (6.35 mm) Quick-Lock Hex Shank compatible with impact drivers and drill drivers.
- 135° Split Point ensures precise starting and reduced drill wandering.
- Positive Sharpening improves drilling efficiency.
- L-Shaped Flute promotes fast chip evacuation.
- Supplied in a durable storage case for convenient organization.
BENEFITS:
- Quick Bit Changes using the 1/4" Quick-Lock hex shank.
- Accurate Hole Positioning with the 135° split point.
- Fast and Efficient Drilling through optimized flute geometry.
- Versatile Size Selection for a wide range of drilling applications.
- Suitable for Cordless Impact Drivers and professional jobsite use.
Suitable Materials:
- Alloy Steel
- Non-alloy Steel
- Cast Iron
- Cast Iron (Spheroidal)
- Hard Wood
- Composite Materials
- Brass
- Plastic
| Model | Description |
| 781B | 10 pcs HSS Metal Drill Bits: Ø3.0, Ø3.3, Ø3.5, Ø4.0, Ø4.2, Ø4.5, Ø5.0, Ø5.5, Ø6.0 & Ø8.0 mm |
| Brand | Diager |
| Model | 781B |
| Product Type | HSS Metal Drill Bit Set |
| Construction | Monobloc High-Speed Steel (HSS) |
| Shank Type | 1/4" Hex Quick-Lock (6.35 mm) |
| Tip Angle | 135° |
| Point Type | Split Point |
| Flute Type | L-Shaped Flute |
| Number of Pieces | 10 Pieces |
| Included Sizes | Ø3.0, Ø3.3, Ø3.5, Ø4.0, Ø4.2, Ø4.5, Ø5.0, Ø5.5, Ø6.0, Ø8.0 mm |
| Compatible With | Cordless Impact Drivers and Drill Drivers |
| Suitable Materials | Alloy Steel, Non-alloy Steel, Cast Iron, Cast Iron (Spheroidal), Hard Wood, Composite, Brass, Plastic |
| Applications | Metal Drilling, Woodworking, Plastic Drilling, Installation, Maintenance, General Construction |
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