Britool Hallmark 22pc 3/8" Drive Hex Allen Ball End Bit Socket Set 3-14mm

The Britool Hallmark 22 Piece 3/8" Drive Standard and Ball-End Hex Bit Socket Set is a professional-quality metric Allen key socket collection designed for automotive servicing, mechanical engineering, machinery maintenance and general workshop applications.

Combining standard short hexagon bit sockets with extra-long ball-end hex bit sockets, this comprehensive set provides a versatile selection of tools for tightening and loosening internal hexagon (Allen) fasteners in both conventional and restricted-access working environments.

Each socket features a 3/8" square drive for use with compatible manual ratchets, extension bars and other suitable hand-drive accessories.

The hexagon bits are manufactured from high-quality S2 steel, a material widely used in professional screwdriver bits and hexagon drive tooling because of its strength, toughness and resistance to wear.

The set includes short standard hex bit sockets measuring approximately 48mm long, together with long ball-end hex bit sockets measuring approximately 95mm long.

The ball-end design provides additional flexibility when accessing internal hexagon fasteners at an angle, while the extended shaft length helps reach recessed bolts and fasteners positioned behind surrounding components.

Each bit is marked with the distinctive Britool Hallmark B logo and its individual part reference, providing clear tool identification.

Individual replacement sockets are also available separately, allowing the set to be maintained without purchasing another complete collection.

Key Features

• Genuine Britool Hallmark professional hex bit socket set
• 22-piece metric Allen / hexagon bit socket collection
• 3/8" square drive
• Combination of standard short and long ball-end hex bit sockets
• Metric size coverage from 3mm to 14mm
• Standard hex bit sockets approximately 48mm long
• Long ball-end hex bit sockets approximately 95mm long
• High-quality S2 steel hexagon bits
• Designed for professional automotive and engineering applications
• Standard hex tips for direct engagement with internal hexagon fasteners
• Ball-end hex tips for improved angled access
• Long-reach design for recessed and difficult-to-access bolts
• Suitable for compatible 3/8" drive manual ratchets
• Suitable for compatible 3/8" drive extension bars
• Each bit marked with the Britool Hallmark B logo
• Individual part references marked on the bits
• Individual replacement sockets available separately
• Suitable for professional garages, mechanical workshops and industrial maintenance

Standard Short Hex Bit Sockets – 48mm Length

The set includes standard straight-tip hexagon bit sockets covering metric sizes within the 3mm to 14mm range.

Each standard socket measures approximately 48mm in overall length, providing a compact profile suitable for general mechanical fastening applications.

The conventional straight hexagon tip provides direct engagement with compatible internal hexagon bolts and socket-head cap screws.

Standard hex bit sockets are particularly useful where the tool can be positioned directly in line with the fastener.

Their relatively short length also helps maintain a compact working arrangement when clearance is limited.

Long Ball-End Hex Bit Sockets – 95mm Length

The set also includes long ball-end hexagon bit sockets covering metric sizes within the 4mm to 12mm range.

Each long socket measures approximately 95mm in overall length, providing additional reach for recessed or difficult-to-access fasteners.

The ball-end hexagon tip allows the bit to engage suitable internal hexagon fasteners at an angle rather than requiring perfect straight-line alignment.

This can be particularly beneficial when surrounding components prevent a conventional straight hex bit from being positioned directly above the fastener.

The longer shaft also provides improved access to fasteners located deeper within machinery, engine components and mechanical assemblies.

Ball-end tips are primarily intended to improve accessibility. For high-torque final tightening or initial loosening of stubborn fasteners, a correctly seated straight hexagon bit is generally preferable.

High-Quality S2 Steel Bits

The hexagon bits are manufactured from S2 steel, a material commonly used in professional-quality drive bits and screwdriver tooling.

S2 steel offers a useful combination of strength, toughness and wear resistance, making it well suited to repeated mechanical fastening applications.

The material is particularly appropriate for precision-formed hexagon tips that need to maintain reliable engagement with correctly sized internal hexagon fasteners.

The combination of S2 steel construction and professional Britool Hallmark tooling design makes this set suitable for regular workshop use.

3/8" Square Drive Compatibility

All sockets in the set feature a standard 3/8" square drive.

This makes them compatible with suitable 3/8" drive manual tools, including:

• 3/8" drive ratchet wrenches
• 3/8" drive extension bars
• 3/8" drive sliding T-bars
• 3/8" drive breaker bars, within the socket's intended loading limits
• Other compatible manual square-drive accessories

The 3/8" drive format provides a practical balance between compact tool dimensions and mechanical fastening capability.

These sockets are intended for manual hand-tool applications unless a specific impact rating is confirmed.

Standard and Ball-End Hex Sockets in One Set

One of the main advantages of this Britool Hallmark collection is the combination of two different hexagon bit designs.

The standard short hex bit sockets provide direct engagement with internal hexagon fasteners and are particularly useful for conventional tightening and loosening operations.

The long ball-end hex bit sockets provide additional reach and angled access when the fastener is recessed or obstructed by surrounding components.

Having both styles available allows mechanics and technicians to select the most appropriate tool for the application.

This makes the set particularly useful for workshop environments where access conditions vary between different fastening tasks.

Professional Automotive and Workshop Applications

The Britool Hallmark 22-piece hex bit socket set is particularly suitable for:

• Automotive servicing and repairs
• Engine and gearbox maintenance
• Suspension and chassis work
• Brake component servicing
• Internal hexagon socket-head bolts
• Mechanical assembly
• Machinery maintenance
• Industrial engineering
• Agricultural machinery servicing
• Plant equipment maintenance
• Motorcycle maintenance
• Fleet workshops
• Professional garages
• Mobile mechanics
• Vehicle restoration
• General workshop applications

Britool Hallmark Branding and Part Identification

Each bit features the distinctive Britool Hallmark B logo, providing clear identification as part of the established Britool professional hand-tool range.

Individual part references are also marked on the bits, helping users identify the correct tool when selecting replacements or maintaining an existing set.

This is particularly useful in professional workshops where individual sockets may need to be replaced following loss, damage or extended service.

Replacement Sockets Available Separately

Individual Britool Hallmark hexagon bit sockets are available separately.

This allows individual sizes to be replaced without purchasing another complete 22-piece set.

Replacement availability may vary by size and socket style.

Technical Specifications

• Brand: Britool Hallmark
• Product type: Standard and Ball-End Hex Bit Socket Set
• Number of pieces: 22
• Drive size: 3/8" square drive
• Measurement system: Metric
• Overall size coverage: 3mm to 14mm
• Standard socket style: Straight hexagon / Allen bit
• Standard socket length: Approximately 48mm
• Standard socket size range: 3mm to 14mm
• Long socket style: Ball-end hexagon / Allen bit
• Long socket length: Approximately 95mm
• Long ball-end socket size range: 4mm to 12mm
• Bit material: S2 steel
• Brand identification: Britool Hallmark B logo
• Individual identification: Part reference marked on each bit
• Operation: Manual hand-tool use
• Replacement sockets: Available separately
• Applications: Automotive, mechanical, engineering and professional workshop use

The Britool Hallmark Range

The Britool Hallmark range was developed by Britool in the 1980s for the automotive aftermarket and has been a long-established choice for professional workshop users.

Each tool carries distinctive Britool Hallmark branding, , providing clear identification and reflecting the professional tooling heritage of the range.

This 22-piece hexagon bit socket set combines the established Britool Hallmark tooling heritage with S2 steel bits, standard and ball-end hexagon profiles and versatile 3/8" drive compatibility.

Britool Hallmark Guarantee

The Britool Hallmark guarantee covers defects in materials and/or workmanship when tools are used for the purpose for which they were designed and for their expected service life.

Where a qualifying defect occurs during normal use, repair or replacement may be available in accordance with the applicable guarantee terms.

The guarantee does not extend to:

• Fair wear and tear
• Moving parts such as ratchet mechanisms
• Consumable items
• Bits and repair kits

As this product contains hexagon drive bits, the applicable exclusions relating to bits and consumable tooling should be noted.

Full guarantee terms and conditions apply.

Important Information

• Genuine Britool Hallmark 22-piece hex bit socket set
• 3/8" square drive
• Combination of standard short and long ball-end hex bit sockets
• Metric size coverage from 3mm to 14mm
• Standard short hex sockets approximately 48mm long
• Long ball-end hex sockets approximately 95mm long
• S2 steel hexagon bits
• Each bit marked with the Britool Hallmark B logo and individual part reference
• Individual replacement sockets available separately
• Designed for use with compatible manual 3/8" drive tools
• These sockets are not specified as impact rated and should not be used with powered impact tools unless confirmed suitable by the manufacturer
• Ball-end tips are designed for improved access at an angle and should not be subjected to excessive torque
• Use straight hexagon bits for high-torque applications wherever possible
• Always select the correct metric hexagon size for the fastener
• Ensure the bit is fully seated before applying turning force
• Do not use worn or damaged hexagon bits
• This listing is for the complete 22-piece Britool Hallmark standard and ball-end hex bit socket set