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Hex Head Machine Screws

Looking for hex head machine screws?

We carry the most popular hex head machine screws.

Stock sizes include 2-56 through 1/2-13 in Steel Zinc Plated, Black and Stainless Steel. To ASME B18.6.3 specifications.

Scroll down to find your size, or search by part number.

Add to Cart and buy online or email us for a custom quote.  Most popular products are in stock and ship within 24 hours.

Can't find what you're looking for? Email us at [email protected] for a custom quote. "We have the right screw for you" is our motto after all!
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4-40 X 1 Hex Head Machine Screw Steel Zinc 4-40X1 Hex Head Machine Screw Zinc [10000 PER BOX]
Price per Box: $535.92 / Quantity Discounts Available
4-40 X 1-1/4 Hex Head Machine Screw Steel Zinc 4-40X1-1/4 Hex Head Machine Screw Zinc [8000 PER BOX]
Price per Box: $466.80 / Quantity Discounts Available
4-40 X 1/2 Hex Head Machine Screw Steel Zinc 4-40X1/2 Hex Head Machine Screw Zinc [10000 PER BOX]
Price per Box: $386.40 / Quantity Discounts Available
4-40 X 1/2 Hex Head Machine Screw Stainless 4-40X1/2 Hex Head Machine Screw Stainless 18-8 [5000 PER BOX]
Price per Box: $304.50 / Quantity Discounts Available
4-40 X 1/4 Hex Head Machine Screw Steel Zinc 4-40X1/4 Hex Head Machine Screw Zinc [10000 PER BOX]
Price per Box: $367.80 / Quantity Discounts Available
4-40 X 1/4 Hex Head Machine Screw Stainless 4-40X1/4 Hex Head Machine Screw Stainless 18-8 [5000 PER BOX]
Price per Box: $146.48 / Quantity Discounts Available
4-40 X 3/16 Hex Head Machine Screw Steel Zinc 4-40X3/16 Hex Head Machine Screw Zinc
4-40 X 3/4 Hex Head Machine Screw Steel Zinc 4-40X3/4 Hex Head Machine Screw Zinc [10000 PER BOX]
Price per Box: $483.58 / Quantity Discounts Available
4-40 X 3/8 Hex Head Machine Screw Steel Zinc 4-40X3/8 Hex Head Machine Screw Zinc [10000 PER BOX]
Price per Box: $202.28 / Quantity Discounts Available
4-40 X 3/8 Hex Head Machine Screw Steel Black Oxide 4-40X3/8 Hex Head Machine Screw Black
4-40 X 3/8 Hex Head Machine Screw Stainless 4-40X3/8 Hex Head Machine Screw Stainless 18-8 [5000 PER BOX]
Price per Box: $202.28 / Quantity Discounts Available
4-40 X 5/16 Hex Head Machine Screw Steel Zinc 4-40X5/16 Hex Head Machine Screw Zinc [10000 PER BOX]
Price per Box: $387.15 / Quantity Discounts Available
4-40 X 5/8 Hex Head Machine Screw Steel Zinc 4-40X5/8 Hex Head Machine Screw Zinc [10000 PER BOX]
Price per Box: $459.36 / Quantity Discounts Available
4-40 X 7/16 Hex Head Machine Screw Steel Zinc 4-40X7/16 Hex Head Machine Screw Zinc [10000 PER BOX]
Price per Box: $429.00 / Quantity Discounts Available
4-40 X 7/8 Hex Head Machine Screw Steel Zinc 4-40X7/8 Hex Head Machine Screw Zinc [10000 PER BOX]
Price per Box: $509.10 / Quantity Discounts Available
   
 
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