
Product Description
Britool Hallmark 19Pc Deep 12-Point Impact Socket Set 6–24mm + 6Pc Impact Adapter Set
SPECIAL COMBINATION OFFER – BUY BOTH PROFESSIONAL IMPACT TOOL SETS TOGETHER AT A REDUCED PACKAGE PRICE!
Get two professional Britool Hallmark impact tool sets at a special combined price. This 25-piece package includes a comprehensive 19-piece 3/8" drive deep 12-point (bi-hex) impact socket set covering 6–24mm, PLUS a versatile 6-piece impact socket adapter set.
Ideal for professional mechanics, automotive workshops and engineers requiring strength, durability and flexibility across different square drive sizes.
Key Features & Benefits
19Pc Deep 12-Point Impact Socket Set – 6–24mm
Professional 3/8" square drive deep impact sockets.
Complete 19-piece metric range covering every size from 6mm to 24mm.
12-point bi-hex socket profile for quick engagement and easier alignment on compatible fasteners.
Manufactured from premium heat-treated Chrome Molybdenum (Cr-Mo) steel for exceptional strength and durability.
Deep socket design provides improved access to recessed fasteners and long threaded studs.
Durable black phosphate finish for corrosion resistance.
Ball retaining grooves and side pin-and-ring retention holes for secure attachment to compatible impact tools.
Permanently laser-marked socket sizes, part numbers and Britool Hallmark branding.
Supplied in a precision-cut EVA tool control foam tray measuring 395 × 190 × 36mm.
PLUS 6Pc Impact Socket Adapter Set
Six professional impact-rated socket adapters for converting between different square drive sizes.
Manufactured from heavy-duty Chrome Molybdenum (Cr-Mo) steel for superior strength and impact resistance.
Allows sockets and drive tools with different square drive sizes to be used together.
Ideal for use with compatible pneumatic impact wrenches, cordless impact tools and hand tools.
Provides greater versatility across 1/4", 3/8", 1/2" and 3/4" square drive tools.
Sizes Included
19Pc Deep 12-Point Impact Socket Set
3/8" Square Drive – 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 and 24mm.
6Pc Impact Socket Adapter Set
1/4" Female × 3/8" Male
3/8" Female × 1/4" Male
3/8" Female × 1/2" Male
1/2" Female × 3/8" Male
3/4" Female × 1/2" Male
1/2" Female × 3/4" Male
Professional Quality & Construction
Both sets are manufactured from high-quality Chrome Molybdenum steel, designed to withstand the demanding torque and repeated impact forces generated by modern pneumatic and cordless impact tools.
The deep 12-point sockets provide excellent access to recessed fasteners and long studs, while the impact adapter set allows different square drive sizes to be used together, reducing the need for additional tools.
Together, these sets provide a versatile solution for everyday servicing, maintenance and more demanding workshop applications.
Applications
Automotive servicing, maintenance and repairs.
Engine, gearbox and transmission work.
Suspension, steering and brake system maintenance.
Commercial vehicle and agricultural machinery repairs.
Industrial engineering and mechanical maintenance.
Recessed nuts, bolts and long threaded studs.
Adapting between different square drive socket and impact tool sizes.
Professional garages, mobile mechanics and workshop tool kits.
Technical Specifications
Brand: Britool Hallmark
Total Pieces: 25 (19 Deep Impact Sockets + 6 Impact Adapters)
Socket Drive Size: 3/8" Square Drive
Socket Profile: 12-Point Bi-Hex
Socket Type: Deep Impact
Socket Sizes: 6–24mm
Adapter Drive Sizes: 1/4", 3/8", 1/2" and 3/4"
Material: Heat-Treated Chrome Molybdenum (Cr-Mo) Steel
Socket Finish: Black Phosphate
Socket Retention: Ball Retaining Groove & Pin-and-Ring Hole
Socket Storage: EVA Tool Control Foam Tray
EVA Tray Dimensions: 395 × 190 × 36mm
Tool Compatibility: Suitable Pneumatic and Cordless Impact Wrenches
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.