200pcs Stainless Steel Hex Socket Grub Screw Set M3–M8
200pcs Stainless Steel Hex Socket Grub Screw Set M3–M8
200-Piece Stainless Steel Hex Socket Grub Screw Set | M3, M4, M5, M6 & M8
Never be caught short on the right fastener again. This comprehensive 200-piece hex socket set screw assortment covers 10 popular sizes — from M3×3 all the way to M8×8 — giving you everything you need for door handles, faucets, light fixtures, knobs, plumbing repairs, garage projects, and more, all stored in a single organized plastic case.
Made in Mainland China.
Why Choose This Grub Screw Set?
- Premium 304 Stainless Steel: Superior rust and corrosion resistance compared to standard alloy steel alternatives — built to last in humid or demanding environments.
- Sharp, Clean Threads: Precision-cut threads are burr-free for smooth, secure fastening every time.
- 10 Sizes in One Box: M3×3 / M3×4 / M3×6 / M4×4 / M4×6 / M5×5 / M5×8 / M6×6 / M6×10 / M8×8 — 20 pieces per size, 200 pieces total.
- Hex Socket (Allen Key) Drive: Cup-point design provides a firm grip and prevents fastener spin-out during tightening.
- Neat Plastic Storage Case: Individual compartments with dividers keep each size separated and easy to find at a glance.
- Versatile Applications: Ideal for door handles, faucet fittings, light fixtures, furniture knobs, gunsmithing, metalworking, and general shop or home repairs.
Product Specifications
| Material | 304 Stainless Steel |
| Drive Style | Hex Socket (Allen / Grub) |
| Head Style | Headless Cup Point |
| Color | Silver |
| Sizes Included | M3×3, M3×4, M3×6, M4×4, M4×6, M5×5, M5×8, M6×6, M6×10, M8×8 |
| Quantity | 200 pcs (20 per size) |
| Storage | Compartmentalized plastic case with dividers |
| Country of Origin | Mainland China |
What's in the Box?
- 1 × Plastic storage case containing 200 stainless steel hex socket set screws (10 sizes × 20 pieces)
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Frequently Asked Questions
Q: What sizes are included in this 200-piece hex socket grub screw set?
A: The set includes 10 sizes: M3×3, M3×4, M3×6, M4×4, M4×6, M5×5, M5×8, M6×6, M6×10, and M8×8. Each size comes with 20 pieces, totaling 200 stainless steel set screws in one convenient storage case.
Q: What type of wrench or tool do I need to use these grub screws?
A: These are hex socket (Allen key) drive screws, so you will need the appropriately sized hex/Allen key or hex bit for each screw size. The cup-point design ensures a secure fit and minimizes the risk of stripping during installation.
Q: Are these screws rust-resistant for outdoor or damp environments?
A: Yes. These screws are made from 304 stainless steel, which offers excellent corrosion and rust resistance, making them well-suited for use in bathrooms, kitchens, outdoor fixtures, plumbing applications, and other humid or moisture-prone settings.
Q: What applications are these hex socket set screws suitable for?
A: This versatile set is designed for a wide range of uses including door handles, faucet fittings, light fixtures, furniture knobs, metalworking projects, gunsmithing, plumbing repairs, and general workshop or home maintenance tasks.