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Running out of the right screw size mid-project is a frustrating setback. This 450-piece self-tapping screw assortment gives DIYers, contractors, and maintenance professionals a comprehensive supply of the most commonly needed sizes and head styles — all in one organized kit. No pre-drilling required; the sharp thread point drives directly into wood, metal, and drywall.
The kit includes screws in five imperial sizes — #6 (3/4"), #8 (1"), #10 (1-1/4"), #12 (1-1/2"), and #14 (2") — in both hex washer head and wafer head configurations. All screws are manufactured from 410 stainless steel with a zinc yellow chromate coating, achieving 45–50 HRC hardness for reliable holding power without stripping or deformation. Package weight is approximately 1,003 g.
Ideal for drywall installation, metal framing, HVAC ductwork, deck building, door hinge mounting, and general household or workshop repairs. The dual head-style selection lets you match the fastener to the substrate and load requirements of each specific task.
Keep a full size range on hand for drywall patching, cabinet installation, door hinge repairs, and general home maintenance without multiple trips to the hardware store.
Secure ductwork, brackets, and metal panels quickly with hex washer head screws that grip thin-gauge steel without pre-drilling.
Drive through metal framing, decking, and structural panels with confidence — the 45–50 HRC hardness ensures threads hold under load without stripping.
Stock a versatile assortment for equipment enclosures, garden tool repairs, office furniture assembly, and light industrial fastening tasks.
| Sizes Included | #6 (3/4") · #8 (1") · #10 (1-1/4") · #12 (1-1/2") · #14 (2") |
|---|---|
| Head Styles | Hex Washer Head & Wafer Head |
| Thread Type | Type A & Type B Self-Tapping |
| Material | 410 Stainless Steel |
| Hardness | 45–50 HRC |
| Coating / Finish | Zinc Yellow Chromate |
| Total Quantity | 450 pieces |
| Package Weight | 1,003 g |
| Suitable Substrates | Wood, sheet metal, drywall, plastic, light steel |
Generally no. The self-tapping thread form cuts its own mating thread in wood, drywall, and thin metal. For harder or thicker steel, a small pilot hole may improve driving performance.
The hex washer head has a wider bearing flange and is driven with a hex (nut driver or socket) for higher torque applications on metal. The wafer head has a low-profile, flat top suited for flush-mount applications on wood and drywall, typically driven with a Phillips bit.
Yes. 410 stainless steel is a martensitic grade and is magnetic, unlike austenitic grades such as 304 or 316.
Type A has a sharp point and coarser thread pitch, designed for thin sheet metal and light-gauge materials. Type B has a blunter point and finer thread pitch, suited for thicker metal and plastics where a more controlled thread engagement is needed.
Yes. The zinc yellow chromate coating provides corrosion resistance for outdoor use. For prolonged exposure to salt spray or coastal environments, additional sealing or a higher-grade coating may be advisable.
Wafer head screws typically use a Phillips PH2 bit. Hex washer head screws are driven with a hex nut driver or socket matching the head size — typically 1/4" or 5/16" hex.
The exact per-size quantity distribution is shown on the product packaging. The assortment covers five sizes (#6 through #14) across both head styles for a total of 450 pieces.
