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Machine screws are cylindrical fasteners used to join two items, commonly made of steel or stainless steel, and available in multiple sizes and finishes. SEMS screws, a subtype of machine screws, feature a washer-like, serrated head to maintain grip and prevent loosening. Weld-on screws, designed for welding onto surfaces, are marked by a threaded shank with a weld-nut on the end, available in a range of sizes and finishes, and typically constructed from steel or stainless steel.
STANLEYENGINEEREDFAST-STAINLESSSTEELTORXPLUSMACHINESCREWS-100x100
Unit of Measure
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Item #

Item Name

Brand

Measurement

Thread Size

Material

Finish

Length

Head

Drive

BBI Size

Size

Point

583571 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 12-14 N/A Steel N/A Zinc N/A 2 1/2 N/A Round N/A Slotted N/A #12-24x2 1/2",(FT) N/A #12-24x2 1/2",(Fully Threaded) N/A
583579 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 12-14 N/A Steel N/A Zinc N/A 3 N/A Round N/A Slotted N/A #12-24x3",(FT) N/A #12-24x3",(Fully Threaded) N/A
583605 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 1/4 N/A Round N/A Slotted N/A 1/4"-20x1/4",(FT) N/A 1/4"-20x1/4",(Fully Threaded) N/A
583611 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 3/8 N/A Round N/A Slotted N/A 1/4"-20x3/8",(FT) N/A 1/4"-20x3/8",(Fully Threaded) N/A
583615 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 1/2 N/A Round N/A Slotted N/A 1/4"-20x1/2",(FT) N/A 1/4"-20x1/2",(Fully Threaded) N/A
583619 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 5/8 N/A Round N/A Slotted N/A 1/4"-20x5/8",(FT) N/A 1/4"-20x5/8",(Fully Threaded) N/A
583623 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 3/4 N/A Round N/A Slotted N/A 1/4"-20x3/4",(FT) N/A 1/4"-20x3/4",(Fully Threaded) N/A
583627 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 7/8 N/A Round N/A Slotted N/A 1/4"-20x7/8",(FT) N/A 1/4"-20x7/8",(Fully Threaded) N/A
583631 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 1 N/A Round N/A Slotted N/A 1/4"-20x1",(FT) N/A 1/4"-20x1",(Fully Threaded) N/A
583635 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 1 1/8 N/A Round N/A Slotted N/A 1/4"-20x1 1/8",(FT) N/A 1/4"-20x1 1/8",(Fully Threaded) N/A
583637 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 1 1/4 N/A Round N/A Slotted N/A 1/4"-20x1 1/4",(FT) N/A 1/4"-20x1 1/4",(Fully Threaded) N/A
583643 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 1 3/8 N/A Round N/A Slotted N/A 1/4"-20x1 3/8",(FT) N/A 1/4"-20x1 3/8",(Fully Threaded) N/A
583647 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 1 1/2 N/A Round N/A Slotted N/A 1/4"-20x1 1/2",(FT) N/A 1/4"-20x1 1/2",(Fully Threaded) N/A
583651 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 1 5/8 N/A Round N/A Slotted N/A 1/4"-20x1 5/8",(FT) N/A 1/4"-20x1 5/8",(Fully Threaded) N/A
583655 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 1 3/4 N/A Round N/A Slotted N/A 1/4"-20x1 3/4",(FT) N/A 1/4"-20x1 3/4",(Fully Threaded) N/A
583663 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 2 N/A Round N/A Slotted N/A 1/4"-20x2",(FT) N/A 1/4"-20x2",(Fully Threaded) N/A
583667 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 2 1/4 N/A Round N/A Slotted N/A 1/4"-20x2 1/4",(FT) N/A 1/4"-20x2 1/4",(Fully Threaded) N/A
583671 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 2 1/2 N/A Round N/A Slotted N/A 1/4"-20x2 1/2",(FT) N/A 1/4"-20x2 1/2",(Fully Threaded) N/A
583673 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 2 3/4 N/A Round N/A Slotted N/A 1/4"-20x2 3/4",(FT) N/A 1/4"-20x2 3/4",(Fully Threaded) N/A
583679 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 3 N/A Round N/A Slotted N/A 1/4"-20x3",(FT) N/A 1/4"-20x3",(Fully Threaded) N/A
583681 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 3 1/4 N/A Round N/A Slotted N/A 1/4"-20x3 1/4",(FT) N/A 1/4"-20x3 1/4",(Fully Threaded) N/A
583683 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 3 1/2 N/A Round N/A Slotted N/A 1/4"-20x3 1/2",(FT) N/A 1/4"-20x3 1/2",(Fully Threaded) N/A
583687 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 4 N/A Round N/A Slotted N/A 1/4"-20x4",(FT) N/A 1/4"-20x4",(Fully Threaded) N/A
583689 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 4 1/2 N/A Round N/A Slotted N/A 1/4"-20x4 1/2",(FT) N/A 1/4"-20x4 1/2",(Fully Threaded) N/A
583691 N/A Screws - Machine Screws, Sems , Weld and More N/A ABE Fasteners or Other N/A Unified N/A 1/4-20 N/A Steel N/A Zinc N/A 5 N/A Round N/A Slotted N/A 1/4"-20x5",(FT) N/A 1/4"-20x5",(Fully Threaded) N/A
Unit of Measure
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