Description

Monster Overview:
Fix your project right the first time with Bulk 3/4-10 Button Head Socket Cap Screws from Monster Bolts. These industrial-grade fasteners are built from ASTM A574 Alloy Steel for superior tensile strength, precision threading, and long-term reliability in demanding applications.
Featuring a thermal black oxide + oil finish, these screws provide a sleek black appearance and mild corrosion protection, making them ideal for mechanical, tooling, and heavy-equipment use. Fully compliant with ASME B18.3 and IFI-111 standards, all Monster Bolts black oxide fasteners are RoHS compliant and performance tested for quality assurance.
Monster Features:
- Material: Premium alloy steel manufactured to ASTM A574 (12.9 metric equivalent).
- Finish: Thermal black oxide + oil for a uniform matte-black appearance and mild corrosion protection.
- Thread: 3/4"-10 UNC – Coarse Thread (Unified National Coarse).
- Drive: 1/2" Hex Key (Allen) Drive – Available here if you need a fresh one!
- Head Type: Button Head – low-profile, rounded head design for aesthetic or clearance-limited applications.
- Compliance: All Monster Bolts black oxide socket fasteners are RoHS compliant.
Monster Specifications:
| Attribute | Specification |
|---|---|
| Diameter | 3/4" |
| Thread Size | 3/4"-10 UNC (Coarse Thread) |
| Drive Size | 1/2" Hex Key |
| Head Style | Button Head Socket Cap Screw |
| Material | Alloy Steel – ASTM A574 (12.9 Equivalent) |
| Finish | Thermal Black Oxide + Oil |
| Tensile Strength | 170,000 psi minimum |
| Hardness | Rockwell C37–C39 |
| Standards | ASME B18.3 / IFI-111 |
Measurement Note:
Length is measured from under the head to the tip of the screw. Button heads are not included in the overall measurement.
Matching Products:
- Matching Nuts: Bulk U.S. Inch Nuts
- Matching Washers: Bulk U.S. Inch Washers
- Hex Keys: 1/2" Allen Key – Available here
Order Yours Today:
Buy with confidence! Every order from Monster Bolts is backed by our commitment to quality, fast shipping, and customer satisfaction.

