BATTLEARMS BAD INC T10 Screws 4-40 x 5/16 Selector Screw

The BATTLE ARMS DEVELOPMENT, INC. BAD INC 4-40 x 5/16-inch T-10 flat head cap screw is a dependable hardware choice for compatible firearm components and accessories. Supplied as a practical two-pack, these compact screws provide a precise replacement option for maintenance, repair, or a carefully planned upgrade. Their flat head profile offers a clean, low-profile fit where compatible hardware is specified.

Each Battle Arms Development selector screw is made from 4037 alloy steel and heat treated for added strength in demanding applications. A durable black oxide finish gives the hardware a professional appearance while helping protect the surface. The six-lobe T-10 drive provides a defined tool interface for installation with the appropriate driver. Keep this USA-made two-pack on hand for compatible builds, servicing, or as a useful spare.

• Manufacturer: Battle Arms Development, Inc. (BAD INC)
• Size: 4-40 x 5/16 inches for specified compatible applications
• Head style: flat head cap screw for a neat, low-profile finish
• Drive: six-lobe T-10 for a secure driver fit
• Material: durable 4037 alloy steel
• Heat treated to provide added strength
• Finish: black oxide for a clean, professional look
• Pack quantity: two screws, ideal for replacement or spares
• Country of origin: made in the USA

Choose BAD INC 4-40 x 5/16 T-10 screws when your compatible setup calls for precisely sized, quality replacement hardware. Check dimensions and component requirements before installation, and use the proper T-10 driver. This convenient two-pack combines American-made construction, reliable materials, and a refined finish in one compact accessory for builders, armorers, and firearm owners.