Socket Head Machine Screws are the de facto standard for many 3D-printed blasters and kits. Also known as a cap head bolt, these pair well with hex nuts and heat-set inserts for a secure, repeatable connection. Available in a variety of sizes to purchase for maintenance or repair of select blasters, or for custom mod projects. Organized by thread size and length. Having trouble finding what you're looking for? E-mail us! FEATURES:• Socket Head Machine Screws• Most Common 3D blaster screw• Also known as cap head• Hex/Allen drive• Multiple sizes and lengths available INCLUDES:• 1 Socket Head Machine Screw in the size of your choice COMPATIBILTY:• M3 x __mm... What doesn't take these?• M4 x 30mm: Worker Foregrips• #10-32 x 1.5in Tensioner in Silly's Blasters• M5 x 30mm: Redcowl Picatinny Stocks• M8 x 40mm: SMILEY Bolt SPECS:• Material: Stainless Steel• Dimensions: Varies• Weight: Varies LINKS:• Nuts + Washers• Brass Heat-Set Inserts• More Hardware