Product Description
11 Piece 3/8" Drive Hex (Allen) Impact Driver Bit Socket Set 3-19mm – Britool Hallmark
Five Key Highlights
- Professional 11-piece 3/8" drive Hex (Allen) impact bit socket set covering 3mm–19mm for automotive, engineering and industrial applications.
- Manufactured from premium heat-treated Chrome Molybdenum (Cr-Mo) steel for outstanding strength, durability and impact resistance.
- Impact-rated 6-point Hex (Allen) bit sockets designed for use with pneumatic impact wrenches, cordless impact drivers and air tools.
- Extra-long 60mm bit sockets provide improved access to recessed and difficult-to-reach fasteners.
- Supplied in a precision-cut EVA foam tray for organised storage, excellent tool control and quick socket identification.
Product Summary
The Britool Hallmark 11 Piece 3/8" Drive Hex (Allen) Impact Driver Bit Socket Set is a professional-grade solution for high-torque fastening applications. Manufactured from premium heat-treated Chrome Molybdenum (Cr-Mo) steel, each impact-rated bit socket is engineered to withstand the demands of pneumatic impact guns, cordless impact wrenches and professional workshop environments. Featuring precision-machined 6-point Hex (Allen) bits and an extended 60mm overall length, this set offers exceptional reach, strength and reliability when working on automotive, engineering, machinery and industrial applications. Supplied in a durable EVA foam tray, it provides organised storage and fast access in any professional workshop.
Product Description
Construction & Materials
Each bit socket is manufactured from premium heat-treated Chrome Molybdenum (Cr-Mo) steel, providing exceptional resistance to wear, twisting and impact loading. Designed specifically for high-torque applications, these impact-rated sockets offer long service life in demanding workshop and industrial environments.
Every socket is finished with a durable black phosphate coating for improved corrosion resistance and permanently laser marked with the Britool Hallmark logo, socket size and part number for quick identification.
Features & Benefits
- Professional 11-piece Hex (Allen) impact bit socket set
- Standard 3/8" square drive
- Precision 6-point Hex (Allen) bit profile
- Manufactured from premium heat-treated Chrome Molybdenum (Cr-Mo) steel
- Impact-rated for pneumatic and cordless impact tools
- Long 60mm design for improved access
- High-strength construction resists twisting and wear
- Black phosphate finish for corrosion resistance
- Laser-etched size markings for quick identification
- Precision-cut EVA foam tray for organised storage
- Individual replacement sockets available
Applications
Ideal for professional and heavy-duty applications, including:
- Automotive servicing and repairs
- Motorcycle maintenance
- Engine and transmission repairs
- Brake and suspension servicing
- Commercial vehicle maintenance
- Agricultural machinery repairs
- Industrial engineering
- Machinery servicing
- Manufacturing and assembly
- Workshop and mobile mechanic tool kits
The 60mm long bit sockets provide improved access to recessed Hex fasteners commonly found on engines, gearboxes, machinery and industrial equipment.
Storage & Organisation
The supplied high-density EVA foam tool control tray securely holds every bit socket in its own dedicated position, making tool selection quick and efficient while helping prevent loss. Designed to fit most professional tool chests, roller cabinets and workshop drawers, it also allows missing tools to be identified immediately for improved workshop organisation.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Britool Hallmark |
| Drive Size | 3/8" Square Drive |
| Bit Type | Hex (Allen) |
| Bit Profile | 6-Point Hex |
| Material | Heat-Treated Chrome Molybdenum (Cr-Mo) Steel |
| Finish | Black Phosphate |
| Number of Pieces | 11 |
| Bit Length | 60mm |
| Sizes Included | 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 12mm, 14mm, 17mm, 19mm |
| Storage | EVA Tool Control Foam Tray |
| Suitable For | Pneumatic Impact Guns, Cordless Impact Wrenches & Impact Drivers |
| Replacement Sockets Available | Yes |
What's Included
- 11 × 3/8" Drive 60mm Hex (Allen) Impact Bit Sockets:
- 3mm
- 4mm
- 5mm
- 6mm
- 7mm
- 8mm
- 10mm
- 12mm
- 14mm
- 17mm
- 19mm
- Precision-cut EVA Foam Storage Tray
The HALLMARK range was developed by Britool in the 80's for the automotive aftermarket. it has been the professional’s choice ever since. Each tool is marked with the Britool hallmark 
, your guarantee of quality.
The Britool Hallmark guarantee covers against defective materials and/or workmanship when used for the purpose for which they were designed. In the unlikely event that a product fails during normal use, it will be repaired or replaced. The guarantee does not extend to fair wear & tear or moving parts such as ratchet mechanisms.
Product Specification
| Height | 40 mm |
| Length | 200 mm |
| Weight | 901 g |
| Width | 200 mm |