Description

Monster Overview:
Fix your project right the first time with Bulk 4-40 Phillips Truss-Head Machine Screws finished in Black Oxide & Oil. Manufactured from AISI 1006–1022 low-carbon steel, these precision-sized screws are fully threaded and ideal for use in electronics, circuit board mounting, miniature enclosures, and hardware where space is tight and strength-to-size efficiency is key.
Monster Bolts is your trusted source for micro fasteners in bulk, offering fast U.S. shipping, consistent quality, and expert support for small-format builds.
Monster Features:
- Material: AISI 1006–1022 low-carbon steel — precision-compatible and easily machinable.
- Finish: Black Oxide & Oil — provides a clean, matte appearance with light corrosion protection (RoHS compliant).
- Drive: Standard #1 Phillips — ensures easy assembly with precision or general-use drivers.
- Head Style: Truss head distributes load evenly, perfect for covering large holes or thin materials.
Monster Specifications:
- Thread Size: #4-40 UNC (Unified Coarse Thread)
- Thread Length: Fully threaded
- Head Style: Phillips Truss
- Material: AISI 1006–1022 Steel or equivalent
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Finish: Black Oxide & Oil
(RoHS Directive 2011/65/EU compliant)
More Monster Bolts:
Matching Nuts & Washers: Complete your build with bulk inch nuts and bulk inch washers compatible with #4 hardware.
Order Yours Today and Experience the Monster Bolts Difference!
Buy with confidence! Every order from Monster Bolts is backed by our commitment to quality, fast shipping, and customer satisfaction.

