Draper Expert Metric Socket Set, 1/4" Sq. Dr. (44 Piece)

The Draper Expert B44MN/SG 44-Piece Metric Socket Set is a precision-engineered 1/4" square drive toolkit that combines the build quality of Draper's Expert range with a carefully selected socket and socket bit package optimised for professional automotive, engineering, and precision fastening work. Where many 1/4" drive sets at this size compromise on either socket depth coverage or bit profile range, the B44MN/SG delivers both in full — making it a genuinely versatile single-kit solution for technicians who work across a broad variety of fastener types and access challenges.

The socket complement opens with 10 standard six-point metric sockets spanning 4–13mm, providing comprehensive coverage of the small metric fasteners found across modern vehicle electronics, interior trim, sensor brackets, instrument panels, and bodywork fixings. Partnering these are 6 deep sockets in 6, 8, 10, 11, 12, and 13mm — covering the most frequently encountered recessed fastener sizes, long studs, and captive nuts that standard sockets cannot fully reach. The combination of standard and deep profiles within a single set eliminates the most common access limitation of compact 1/4" drive kits.

Every socket carries the hallmarks of the Draper Expert range: chrome vanadium steel construction, hardened, tempered, and finished to a distinctive micro satin chrome for corrosion resistance and professional appearance. The knurled ring on each socket provides a positive, tactile grip for confident one-handed positioning in oily, greasy, or overhead conditions, and the six-point geometry ensures full-face contact with fastener flats — minimising rounding risk on the small, easily damaged fixings that characterise 1/4" drive applications.

The drive accessory package provides thorough control over reach, angle, and torque:

• 72-tooth reversible ratchet with soft-grip handle and quick-release button — a fine 5° swing arc for precise fastener engagement in the tightest spaces
• Spinner handle with soft-grip for rapid, fatigue-free fastener running once broken free
• Two wobble extension bars at 50mm and 150mm — covering shallow to deep access with built-in off-axis flexibility for fasteners that can't be approached directly
• Sliding T-bar — for high-leverage breakaway force on stubborn fixings or rapid free-spinning without a ratchet
• Universal joint — for indirect-angle fastener access in confined or obstructed spaces
• 1/4" Sq. Dr. to 1/4" hex bit adaptor — integrating the full socket bit range directly with the ratchet and extension bars

The 21-piece socket bit selection is where the B44MN/SG makes its most distinctive contribution. Using purpose-built socket bits rather than standard 25mm hex-shank bits, every drive profile engages the 1/4" square drive directly — delivering a more rigid, stable connection and more controlled torque transfer than an adaptor-based system. Four drive profiles cover the fastener types most commonly encountered in professional automotive and engineering work:

3 plain slot socket bits: 3, 5, 5.5mm — for slotted fasteners across electrical panels, junction boxes, older vehicle components, and domestic appliances.

3 cross slot (Phillips) socket bits: No.1, No.2, No.3 — standard Phillips coverage for automotive and general fastening applications.

3 Pozidriv (PZ-Type) socket bits: No.1, No.2, No.3 — essential for European vehicles and domestic appliances where Pozidriv is the standard fitment. The PZ profile's tighter geometric fit prevents the cam-out that occurs when Phillips drivers are incorrectly used on Pozidriv fasteners — particularly common on VW Group, BMW, and Mercedes-Benz vehicles.

5 hex socket bits: 3, 4, 5, 6, 8mm — covering the most widely used metric Allen fastener sizes across automotive, bicycle, and general engineering applications.

7 TX-STAR® Torx socket bits: T10, T15, T20, T30, T35, T40, T45 — a Torx selection with a notably different profile to many comparable sets. Rather than the conventional T25 and T27, the B44MN/SG steps up to include T35 and T45 — sizes that are standard on larger automotive Torx applications including gearbox components, suspension fixings, propshaft bolts, and drivetrain assemblies on a wide range of European and Asian vehicles. The T45 in particular is a size frequently required for higher-torque fasteners that would be unusual to encounter in a compact 1/4" drive set, reflecting the Expert range's orientation towards professional automotive use.

The complete 44-piece set is housed in a tough blow-moulded plastic storage case with dedicated locations for every socket and socket bit, providing organised, protected storage for workshop use and transport between jobs. As part of Draper's Expert range, the B44MN/SG is manufactured and tested in general accordance with DIN3122 and ISO3315 specifications — quality verified to the standards demanded by daily professional use.

Key Features

• 44-piece professional metric socket set on a 1/4" square drive
• 10 standard six-point sockets: 4, 5, 6, 7, 8, 9, 10, 11, 12, 13mm
• 6 deep sockets: 6, 8, 10, 11, 12, 13mm — for recessed fasteners and long studs
• Chrome vanadium steel — hardened, tempered, and micro satin chrome finish
• Knurled ring on every socket for secure one-handed grip
• Six-point socket geometry minimises fastener rounding
• 72-tooth reversible ratchet with soft-grip handle and quick-release button — 5° swing arc
• Soft-grip spinner handle for rapid fastener running
• Two wobble extension bars: 50mm and 150mm
• Sliding T-bar for high-leverage breakaway and free-spinning
• Universal joint for off-axis fastener access
• 1/4" Sq. Dr. to 1/4" hex bit adaptor
• 21 direct-fit socket bits across four drive profiles
• 3 plain slot socket bits: 3, 5, 5.5mm
• 3 cross slot (Phillips) socket bits: No.1, No.2, No.3
• 3 Pozidriv (PZ-Type) socket bits: No.1, No.2, No.3
• 5 hex socket bits: 3, 4, 5, 6, 8mm
• 7 TX-STAR® Torx socket bits: T10, T15, T20, T30, T35, T40, T45 — including T35 and T45 for larger automotive applications
• Tough plastic storage case with dedicated component locations
• Compliant with DIN3122 and ISO3315 specifications

What sockets are included in the Draper Expert B44MN/SG? The B44MN/SG includes 10 standard six-point metric sockets (4–13mm) and 6 deep sockets (6, 8, 10, 11, 12, 13mm) — 16 sockets in total, all on a 1/4" square drive with chrome vanadium steel construction and knurled grip rings.

Why does the B44MN/SG include T35 and T45 Torx sizes rather than the more common T25 and T27? The T35 and T45 sizes address a different tier of automotive application compared to the T25 and T27 found in most compact Torx sets. T35 and T45 are standard fasteners on gearbox and transmission components, suspension assemblies, propshaft bolts, and higher-torque drivetrain fixings across a wide range of European and Asian vehicles. Their inclusion reflects the B44MN/SG's orientation towards professional mechanical work rather than trim and interior applications — making it a particularly strong choice for technicians who regularly work on drivetrain and suspension components.

What is the difference between the Draper Expert B44MN/SG and the BD45M/MT? The BD45M/MT is a standard Draper set in a steel case, featuring deep sockets, a broader standard socket range up to 14mm, a spinner handle, and 18 screwdriver bits including TX-STAR® up to T40 and Pozidriv. The B44MN/SG is part of the Expert range — distinguished by its micro satin chrome finish, knurled socket rings, direct-fit socket bits for a more rigid drive connection, and the inclusion of T35 and T45 Torx sizes for larger automotive fastening applications. The Expert range also carries higher manufacturing tolerances and finish quality throughout.

What are socket bits and how do they differ from standard screwdriver bits? Socket bits are purpose-designed with a 1/4" square drive socket built directly into the bit body, allowing them to connect to the ratchet, extension bars, T-bar, and universal joint without requiring a separate adaptor. This creates a more rigid, stable connection with better torque transfer than adaptor-based systems — particularly valuable when driving PZ, Phillips, Torx, and hex fasteners at higher torque levels. Standard 25mm hex-shank screwdriver bits require an intermediary adaptor to interface with a square drive ratchet.

What is the sliding T-bar used for in the B44MN/SG? The sliding T-bar connects directly to the 1/4" square drive and provides a crossbar handle that slides along its length. Centred over the fastener it applies straight-line torque; offset to one side it creates a longer lever arm for breaking out stubborn or corroded fixings without a ratchet. It also allows rapid free-spinning of fasteners using both hands — significantly faster than ratcheting for the running portion of a bolt or screw.

Why include both Pozidriv and Phillips socket bits? Phillips and Pozidriv fasteners are not interchangeable despite their visual similarity. Pozidriv has additional radial grooves between the cross slots that create a tighter, more positive engagement — virtually eliminating the cam-out that occurs when a Phillips bit is used on a PZ fastener. Pozidriv screws are standard fitment on European vehicles from VW Group, BMW, Mercedes-Benz, and Stellantis, as well as across domestic appliances and construction fixings. Having both profiles in the B44MN/SG ensures the correct driver is always available without risk of fastener damage.

Is the Draper Expert B44MN/SG suitable for professional mechanics? Yes. The B44MN/SG is part of Draper's Expert range, built to DIN3122 and ISO3315 specifications using chrome vanadium steel with micro satin chrome finish and knurled socket rings. The inclusion of T35 and T45 Torx socket bits, deep sockets, wobble extension bars, and a sliding T-bar makes it a particularly capable set for professional automotive technicians working on drivetrain, suspension, and mechanical assemblies.