Bulk Socket Screws – Cap, Button, Flat & Set | Metric & Inch

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MonsterBULKS Volume pricing • Carton integrity • Fast U.S. shipping • MTR on request Bulk Socket Screws (Metric & Inch) Stock up on premium socket screws in bulk from Monster Bolts. Shop Metric (M3–M12+) and US/Inch (1/4"–1/2"+) in 12.9 alloy steel (thermal black oxide) and stainless steel (A2-70 / 18-8, A4 / 316) . The MonsterBULKS program delivers consistent quality, reliable case counts, and responsive U.S. support. .mb-filter-wrap{display:flex;flex-direction:column;gap:14px;margin:16px 0} .mb-filter-row{display:flex;flex-wrap:wrap;gap:8px} .mb-chip{display:inline-block;padding:8px 12px;border-radius:10px;text-decoration:none;font-size:14px;border:1px solid #e5e7eb} .mb-chip:hover{opacity:.9} .mb-chip--primary{background:#00429a;color:#fff;border-color:#00429a} .mb-chip--muted{background:#f3f4f6;color:#111} .mb-chip--dark{background:#555;color:#fff;border-color:#555} .mb-label{font-weight:700;color:#00429a} Metric — Head Type Socket Cap (M) Button Head (M) Flat / Countersunk (M) Set Screws (M) Metric — Material Stainless (A2/A4) Steel / Black Ox or Zinc Metric — Quick Sizes M3 M4 M5 M6 M8 M10 M12 US / Inch — Head Type Socket Cap (Inch) Button Head (Inch) Flat / Countersunk (Inch) Set Screws (Inch) US / Inch — Material Stainless (A2/A4) Steel / Black Ox or Zinc US / Inch — Quick Sizes #4 #6 #8 #10 1/4" / #14 5/16" 3/8" 1/2" Notes: Black oxide is primarily for appearance and offers only a mild layer of protection . CR+3 zinc, hot-dipped galvanized (HDG), thermal black oxide, and plain finishes are RoHS compliant per Monster Bolts policy. MTRs available on request for bulk carton orders. Related Bulk Collections Bulk Machine Screws Pan & flat head machine screws • Metric & Inch Bulk Hex & Hex Flange Bolts Tap Bolts (FT) & partial thread • Metric & Inch Bulk Nuts Hex, flange, nyloc, and specialty • Metric & Inch Bulk Washers Flat, split lock, fender, sealing • Metric & Inch Bulk Lag Bolts Heavy-duty hex lag bolts for wood, framing &amp