The 1" SAE + MM Hex 20pc Mega Bitrail represents the ultimate hex bit solution, combining complete SAE and metric hex size coverage in Railer's largest storage format. This comprehensive 20-piece set eliminates the need for separate SAE and metric collections while providing better organization than mixed bit assortments.

Modern equipment increasingly features both SAE and metric fasteners, sometimes on the same assembly. Domestic vehicles and machinery typically use SAE hex sizes, while imports, bicycles, and international equipment use metric. This mega set ensures technicians have the right size for any hex fastener, regardless of the equipment's origin.

The set includes the full range of standard SAE hex sizes from 1/16 inch to 3/8 inch, plus metric sizes from 1.5mm to 8mm. This comprehensive coverage handles everything from small electronics screws to large machinery bolts. The organized layout in the mega bitrail keeps SAE and metric sizes clearly separated for fast selection.

Each of the 20 bits is manufactured from premium S2 steel with extreme heat hardening for impact-rated durability. The precise machining creates exact-fit tips that fully engage hex recesses, preventing the rounding that can make fasteners impossible to remove. The torsion zone on every bit absorbs shock loads from impact drivers.

The mega Bitrail format accommodates this comprehensive collection while maintaining crushproof, weatherproof protection. The transparent cover allows immediate identification of SAE or metric sizes, and the organized layout speeds work by keeping sizes in logical order.

This set is the ultimate hex solution for professional technicians, fleet maintenance operations, and anyone who works on varied equipment from different manufacturers and countries. It provides maximum hex capability in a single organized package.

• Product Type: Standard Length SAE & Metric Hex Screwdriver Bit Set with Magnetizer Organizer Rail
• Piece Count: 20 Pieces
• Drive Type: Standard (SAE) and Metric (MM) Hex (Allen)
• Bit Length: 1 inch
• Included SAE Sizes: 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16"
• Included Metric Sizes: 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm
• Special Feature: Included Mega Bitrail features a built-in magnetizer to charge bit tips
• Shank Compatibility: Standard 1/4-inch hex shank (fits power drills, impact drivers, and standard bit holders)
• Storage: Includes a durable 20-hole Bitrail with carabiner
• Available Bitrail Colors: Black, Orange

What sizes are included in this comprehensive hex bit set?

This 20pc hex bit set includes a complete range of both fractional (SAE) and Metric (MM) hex sizes. The SAE sizes range from 5/64" to 5/16", and the Metric sizes range from 2mm to 10mm.

Are these bits impact-rated for heavy-duty use?

Yes. These hex driver bits feature a standard 1/4-inch hex shank and are precision-machined to withstand the high-torque demands of modern cordless impact drivers and power drills without premature wear or rounding off.

What types of projects are best for this SAE and Metric set?

Having both standard and metric hex bits makes this the ultimate kit for automotive repair, bicycle maintenance, motorcycle mechanics, machinery assembly, and putting together imported flat-pack furniture.

• Impact Drivers: Fully compatible with all major brand 1/4-inch quick-release impact driver chucks and collets.
• Power Drills: Fits securely in standard 3/8-inch and 1/2-inch keyless chucks on both cordless and corded power drills.
• Manual Hand Tools: Locks perfectly into standard 1/4-inch manual multi-bit screwdrivers and T-handle drivers.
• Fastener Types: Precision-milled to seamlessly fit both Standard (SAE) and Metric (MM) internal hex (Allen) screws and bolts across automotive, cycling, machinery, and furniture applications.
• Tool Storage: The included 20-hole Bitrail organizes your impact bits securely, keeps them magnetically charged, and features a carabiner to easily clip onto tool bags, tool belts, or pegboards.