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$34.99
M3 x 30mm Hex Head Bolts Fully Threaded – A2 304 Stainless Steel Hexagon Set Screws DIN 933 Metric Fasteners for General Engineering, Construction & DIY (Pack of 20)
★★★★★
$34.99
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About this item
- A2-70 GRADE 304 STAINLESS STEEL – CORROSION & RUST RESISTANT Manufactured to A2-70 (Grade 304) stainless steel standard, these M3 x 30mm hex bolts offer excellent resistance to rust, corrosion, and staining — far outperforming standard zinc-plated or mild steel alternatives. Suitable for both indoor and outdoor applications where long-term durability and a clean, professional finish are essential.
- FULLY THREADED TO DIN 933 STANDARD – PRECISE & RELIABLE FIT Conforming to the internationally recognised DIN 933 / ISO 4017 standard, these bolts are fully threaded from tip to head, ensuring maximum thread engagement for a secure, slip-free fastening. The consistent pitch thread is compatible with all standard M3 nuts, washers, and threaded inserts.
- HEXAGON HEAD FOR EASY INSTALLATION & HIGH TORQUE The hex head design allows for fast, controlled tightening using any standard spanner, socket wrench, or ratchet. The six-sided profile provides excellent tool grip, reduces the risk of rounding, and allows confident tightening to the correct torque — ideal for both professional tradespeople and DIY use.
- PACK OF 20 – VERSATILE FOR ENGINEERING, CONSTRUCTION & DIY Each pack contains 20 M3 x 30mm hex bolts, perfect for a wide range of applications including general engineering, machinery assembly, furniture fixing, brackets, construction, automotive, garden structures, and outdoor installations. Keep a supply on hand for workshop projects, repairs, and maintenance jobs.
- METRIC SIZING – COMPATIBLE WITH ALL STANDARD M6 HARDWARE At M3 x 30mm with a standardcoarse thread pitch, these bolts are universally compatible with M3 nuts, flat washers, spring washers, and threaded components across all major brands and standards. If you need a different size or quantity, our full range covers multiple diameters and lengths to suit every application.
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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