Description
Monster Overview:
Get maximum installation flexibility with 1/4-20 Slotted Indented Hex Washer Head Thread-Cutting Screws, Type 23, 18-8 Stainless from Monster Bolts. The head combines a standard 7/16″ hex for high-torque drive and a full-width straight slot for jobs where only a flat-blade screwdriver fits. A Type 23 triangular chip-relief pocket ejects swarf while cutting—lowering drive torque and leaving cleaner internal threads than straight-slotted or lobed points.
Machined from non-magnetic, food-safe 18-8 (A2) stainless, these screws thrive in marine, outdoor, and wash-down environments with no plating to chip or peel. Each size is fully threaded—choose your required length from the drop-down above.
Monster Features:
- Dual-Drive Head: 7/16″ A/F hex plus straight slot—use a nut-driver or flat screwdriver.
- Integrated Washer Head: Indented hex-washer design spreads load—no extra washer needed.
- Type 23 Cutting Point: Large triangular pocket clears chips for smoother cutting & lower torque.
- 18-8 Stainless Steel: Long-term corrosion resistance—no coating required.
- Monster Quality: Tight tolerances, batch inspection, and rapid U.S. shipping.
Monster Specifications
| Feature | Details |
|---|---|
| Diameter / Thread | 1/4-20 UNC |
| Length | Fully threaded — select length above |
| Head / Drive | Slotted Indented Hex Washer — 7/16″ A/F & slot |
| Point Style | Type 23 (triangular chip-relief) |
| Material | 18-8 Stainless Steel (A2) |
| Finish | Passivated Stainless — no coating |
| System of Measurement | US / Inch |
| Standards | ASME B18.6.4 & IFI-111 |
More Monster Bolts:
Need complementary hardware?
• Bulk US-inch Nuts
• Bulk US-inch Washers
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