{"product_id":"50-piece-1-4-20-by-3-8-inch-alloy-steel-10-9-grade","title":"50 Piece 1\/4-20 By 3\/8 Inch Alloy Steel 10.9 Grade Hex Socket Button Head Cap Screws Bolts Kit With Black Oxide Finish For DIY Projects Automotive Machinery Heavy Duty Fasteners","description":"\u003cdiv\u003e50-Piece 1\/4-20 x 3\/8 Hex Socket Button Head Screws Kit\u003cbr\u003e\n✔️ 50 pcs, 1\/4-20 x 3\/8 in, alloy steel 10.9, black oxide \u003cp\u003eThis kit includes 50 hex socket button head screws and a single hex key, all neatly stored in a durable plastic storage box. It’s ideal for DIY projects, automotive repairs, and heavy-duty machinery assembly that require a clean, secure finish.\u003c\/p\u003e \u003cp\u003e✅ Thread size: 0.250 in (6.36 mm), length 0.375 in (9.53 mm), head dia 0.428 in (10.87 mm) \u003cbr\u003e\n✅ Drive: hex socket (internal hex), hex size 5\/32 in \u003cbr\u003e\n✅ Material: alloy steel 10B21, black oxide finish for anti-rust \u003cbr\u003e\n✅ Strength: 10.9 grade, hardness 32-39 HRC, tensile 1040 N\/mm² \u003cbr\u003e\n✅ Includes 1 hex key, chrome-vanadium steel, nickel plated \u003cbr\u003e\n✅ Pack: 50 screws + 1 hex key in plastic storage box \u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a common use for 1\/4-20 hex socket button head screws in DIY and automotive projects?\u003cbr\u003e Handy for clean, low-profile fastening where head height matters.\u003cbr\u003e- 1\/4-20 thread is common in hobby, automotive, and machinery fasteners\u003cbr\u003e- Button head provides a low-profile finish to avoid snagging\u003cbr\u003e- Hex socket drive lets you install with a hex key securely\u003cbr\u003e- Includes 50 screws and 1 hex key in a portable storage box\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49028866277611,"sku":"VXB0CTHMB6D7","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/714h8JzJcXL.jpg?v=1783506631","url":"https:\/\/vxb.com\/products\/50-piece-1-4-20-by-3-8-inch-alloy-steel-10-9-grade","provider":"VXB Bearings","version":"1.0","type":"link"}