{"product_id":"660pcs-m4-hex-button-screws-assortment-kit-m4x6-8-10-12-16-20-30-mm","title":"660PCS M4 Hex Button Screws Assortment Kit, M4x6\/8\/10\/12\/16\/20\/30 mm","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePerfect for DIY Projects This M4 button head screws assortment kit are ideal for hobbyists working with 3D printing, electronics, RC models, DIY repairs, chair replacement and CNC machinery, offering precision for intricate designs.\u003c\/li\u003e\n\u003cli\u003eStandardized Metric Sizes -The M4-0.7 hex socket button head cap screw set come with 7 commonly used lengths—M4 x 6mm, 8mm, 10mm, 12mm, 16mm,20mm,30mm—ideal for routine installations and repairs. They meet standard metric specs, the average error is less than 0.01mm.\u003c\/li\u003e\n\u003cli\u003ePremium 10.9 Grade Alloy Steel- This black M4 bolts, nuts and washers assorted kit are crafted from high-strength 10.9 grade alloy steel, ensuring exceptional durability and load-bearing capacity. High-strength steel resists wear, corrosion, and heavy loads, ideal for harsh environments.\u003c\/li\u003e\n\u003cli\u003eOil-Free \u0026amp; Rust-Proof -Black zinc plating means no greasy mess—keep hands and projects clean. Superior rust resistance ensuring long life.This 4mm black allen head bolts kit perfect for any indoor\/light outdoor use.\u003c\/li\u003e\n\u003cli\u003eSmart Storage Box - The metric small machine screws hardware kit comes in a durable, compartmentalized case with clear size labels—so you can spot the right screw instantly. Keeps your workspace tidy and speeds up project progress, making every job smoother.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43358117658833,"sku":"BW-B0GS8BT7XL","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71Jnj69OCAL._SL1280.jpg?v=1790989403","url":"https:\/\/belmontwarehouse.com\/products\/660pcs-m4-hex-button-screws-assortment-kit-m4x6-8-10-12-16-20-30-mm","provider":"Belmont Warehouse","version":"1.0","type":"link"}