Home > Screws > Machine Screws > Machine Screws - Inch > 1/2-13

Inch Machine Screws


Looking for inch/imperial sized machine screws?

We carry machine screws in many popular drives — such as Combo (Slotted/Phillips), Phillips, Slotted, Pozi Type 1A, Square, Torx, and Unslotted drives — and with the following head styles: Binding Undercut, Fillister, Flat 82D, Flat 100D, Flat Undercut, Flat Undercut 82D, Flat Undercut 100D, Indented Hex, Indented Hex Washer, Oval, Oval Undercut, Pan, Round, Round Washer, Serrated Indented Hex Washer, Serrated Truss, and Truss.

Stock sizes include: 0-80 through 1/2-13 in 300 Series Stainless Steel Black Oxide, 316 Stainless Steel, 410 Stainless Steel, Stainless Steel, Stainless Steel Black Oxide, Nylon, Steel Black Oxide, Steel Black Zinc, Steel Nickel, Steel Zinc, Steel Zinc Green, and Steel Zinc Yellow.

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!

Sort By:
1
1/2-13 X 3/4 Phillips Flat Undercut 82D Machine Screw Steel Zinc 1/2-13X3/4 PHIL FLAT FT U/CUT MACHINE SCREWS ZINC [600 PER BOX]
Price per Box: $483.98 / Quantity Discounts Available
1/2-13 X 1 Phillips Flat Undercut 82D Machine Screw Steel Zinc 1/2-13X1 PHIL FLAT FT U/CUT MACHINE SCREWS ZINC [600 PER BOX]
Price per Box: $533.43 / Quantity Discounts Available
1/2-13 X 3/4 Slotted Flat 82D Machine Screw Steel Zinc 1/2-13X3/4 SLOT FLAT FT MACHINE SCREWS ZINC [700 PER BOX]
Price per Box: $443.63 / Quantity Discounts Available
1/2-13 X 3/4 Phillips Pan Machine Screw Steel Zinc 1/2-13X3/4 PHIL PAN FT MACHINE SCREWS ZINC [500 PER BOX]
Price per Box: $692.82 / Quantity Discounts Available
1/2-13 X 4 Phillips Round Machine Screw Steel Zinc 1/2-13X4 PHIL ROUND FT MACHINE SCREWS ZINC [100 PER BOX]
Price per Box: $208.28 / Quantity Discounts Available
1/2-13 X 1 Slotted Round Machine Screw Steel Zinc 1/2-13X1 SLOT ROUND FT MACHINE SCREWS ZINC [500 PER BOX]
Price per Box: $335.96 / Quantity Discounts Available
1/2-13 X 2 Slotted Round Machine Screw Steel Zinc 1/2-13X2 SLOT ROUND FT MACHINE SCREWS ZINC [300 PER BOX]
Price per Box: $255.67 / Quantity Discounts Available
1/2-13 X 3 Slotted Round Machine Screw Steel Zinc 1/2-13X3 SLOT ROUND FT MACHINE SCREWS ZINC [200 PER BOX]
Price per Box: $250.81 / Quantity Discounts Available
1/2-13 X 4 Slotted Round Machine Screw Steel Zinc 1/2-13X4 SLOT ROUND FT MACHINE SCREWS ZINC [150 PER BOX]
Price per Box: $225.85 / Quantity Discounts Available
1/2-13 X 5 Slotted Round Machine Screw Steel Zinc 1/2-13X5 SLOT ROUND FT MACHINE SCREWS ZINC [150 PER BOX]
Price per Box: $290.16 / Quantity Discounts Available
1/2-13 X 6 Slotted Round Machine Screw Steel Zinc 1/2-13X6 SLOT ROUND FT MACHINE SCREWS ZINC [100 PER BOX]
Price per Box: $214.84 / Quantity Discounts Available
1/2-13 X 1 Slotted Truss Machine Screw Steel Zinc 1/2-13X1 SLOT TRUSS FT MACHINE SCREWS ZINC [250 PER BOX]
Price per Box: $159.66 / Quantity Discounts Available
1/2-13 X 2 Slotted Truss Machine Screw Steel Zinc 1/2-13X2 SLOT TRUSS FT MACHINE SCREWS ZINC [250 PER BOX]
Price per Box: $195.75 / Quantity Discounts Available
1/2-13 X 1 Phillips Flat 82D Machine Screw Steel Zinc 1/2-13X1 PHIL FLAT FT MACHINE SCREWS ZINC [600 PER BOX]
Price per Box: $744.02 / Quantity Discounts Available
1/2-13 X 2 Phillips Flat 82D Machine Screw Steel Zinc 1/2-13X2 PHIL FLAT FT MACHINE SCREWS ZINC [200 PER BOX]
Price per Box: $251.70 / Quantity Discounts Available
1/2-13 X 3 Phillips Flat 82D Machine Screw Steel Zinc 1/2-13X3 PHIL FLAT FT MACHINE SCREWS ZINC [150 PER BOX]
Price per Box: $234.88 / Quantity Discounts Available
1/2-13 X 4 Phillips Flat 82D Machine Screw Steel Zinc 1/2-13X4 PHIL FLAT FT MACHINE SCREWS ZINC [100 PER BOX]
Price per Box: $156.59 / Quantity Discounts Available
1/2-13 X 6 Phillips Flat 82D Machine Screw Steel Zinc 1/2-13X6 PHIL FLAT FT MACHINE SCREWS ZINC [100 PER BOX]
Price per Box: $250.21 / Quantity Discounts Available
1/2-13 X 1 Slotted Flat 82D Machine Screw Steel Zinc 1/2-13X1 SLOT FLAT FT MACHINE SCREWS ZINC [600 PER BOX]
Price per Box: $261.99 / Quantity Discounts Available
1/2-13 X 2 Slotted Flat 82D Machine Screw Steel Zinc 1/2-13X2 SLOT FLAT FT MACHINE SCREWS ZINC [300 PER BOX]
Price per Box: $226.66 / Quantity Discounts Available
1/2-13 X 4 Slotted Flat 82D Machine Screw Steel Zinc 1/2-13X4 SLOT FLAT FT MACHINE SCREWS ZINC [100 PER BOX]
Price per Box: $160.08 / Quantity Discounts Available
1/2-13 X 5 Slotted Flat 82D Machine Screw Steel Zinc 1/2-13X5 SLOT FLAT FT MACHINE SCREWS ZINC [100 PER BOX]
Price per Box: $179.57 / Quantity Discounts Available
1/2-13 X 6 Slotted Flat 82D Machine Screw Steel Zinc 1/2-13X6 SLOT FLAT FT MACHINE SCREWS ZINC [100 PER BOX]
Price per Box: $197.01 / Quantity Discounts Available
1/2-13 X 1 Phillips Pan Machine Screw Steel Zinc 1/2-13X1 PHIL PAN FT MACHINE SCREWS ZINC [400 PER BOX]
Price per Box: $400.39 / Quantity Discounts Available
1/2-13 X 2 Phillips Pan Machine Screw Steel Zinc 1/2-13X2 PHIL PAN FT MACHINE SCREWS ZINC [200 PER BOX]
Price per Box: $400.29 / Quantity Discounts Available
1/2-13 X 3 Phillips Pan Machine Screw Steel Zinc 1/2-13X3 PHIL PAN FT MACHINE SCREWS ZINC [150 PER BOX]
Price per Box: $195.67 / Quantity Discounts Available
1/2-13 X 1 Slotted Pan Machine Screw Steel Zinc 1/2-13X1 SLOT PAN FT MACHINE SCREWS ZINC [400 PER BOX]
Price per Box: $300.12 / Quantity Discounts Available
1/2-13 X 2 Indented Hex Washer Machine Screw Steel Zinc 1/2-13X2 UNSLT INDNT HEX WAS FT MACHINE SCREWS ZINC [250 PER BOX]
Price per Box: $202.33 / Quantity Discounts Available
1/2-13 X 1-1/4 Slotted Round Machine Screw Stainless Steel 1/2-13X1 1/4 SLOT ROUND FT MACHINE SCREWS STAINLESS STEEL [100 PER BOX]
Price per Box: $185.34 / Quantity Discounts Available
1/2-13 X 1-1/2 Slotted Round Machine Screw Stainless Steel 1/2-13X1 1/2 SLOT ROUND FT MACHINE SCREWS STAINLESS STEEL [100 PER BOX]
Price per Box: $447.17 / Quantity Discounts Available
1/2-13 X 1-3/4 Slotted Round Machine Screw Stainless Steel 1/2-13X1 3/4 SLOT ROUND FT MACHINE SCREWS STAINLESS STEEL [100 PER BOX]
Price per Box: $223.50 / Quantity Discounts Available
1/2-13 X 2-1/4 Slotted Round Machine Screw Stainless Steel 1/2-13X2 1/4 SLOT ROUND FT MACHINE SCREWS STAINLESS STEEL [100 PER BOX]
Price per Box: $240.63 / Quantity Discounts Available
1/2-13 X 2-1/2 Slotted Round Machine Screw Stainless Steel 1/2-13X2 1/2 SLOT ROUND FT MACHINE SCREWS STAINLESS STEEL [100 PER BOX]
Price per Box: $252.32 / Quantity Discounts Available
1/2-13 X 2-3/4 Slotted Round Machine Screw Stainless Steel 1/2-13X2 3/4 SLOT ROUND FT MACHINE SCREWS STAINLESS STEEL [100 PER BOX]
Price per Box: $273.14 / Quantity Discounts Available
1/2-13 X 3-1/2 Slotted Round Machine Screw Stainless Steel 1/2-13X3 1/2 SLOT ROUND FT MACHINE SCREWS STAINLESS STEEL [100 PER BOX]
Price per Box: $610.17 / Quantity Discounts Available
1/2-13 X 5-1/2 Slotted Round Machine Screw Stainless Steel 1/2-13X5 1/2 SLOT ROUND FT MACHINE SCREWS STAINLESS STEEL [50 PER BOX]
Price per Box: $356.45 / Quantity Discounts Available
1/2-13 X 1-1/4 Slotted Flat 82D Machine Screw Stainless Steel 1/2-13X1 1/4 SLOT FLAT FT MACHINE SCREWS STAINLESS STEEL [100 PER BOX]
Price per Box: $297.00 / Quantity Discounts Available
1/2-13 X 1-1/2 Slotted Flat 82D Machine Screw Stainless Steel 1/2-13X1 1/2 SLOT FLAT FT MACHINE SCREWS STAINLESS STEEL [100 PER BOX]
Price per Box: $337.50 / Quantity Discounts Available
1/2-13 X 1-3/4 Slotted Flat 82D Machine Screw Stainless Steel 1/2-13X1 3/4 SLOT FLAT FT MACHINE SCREWS STAINLESS STEEL [100 PER BOX]
Price per Box: $241.10 / Quantity Discounts Available
1/2-13 X 2-1/4 Slotted Flat 82D Machine Screw Stainless Steel 1/2-13X2 1/4 SLOT FLAT FT MACHINE SCREWS STAINLESS STEEL [100 PER BOX]
Price per Box: $285.08 / Quantity Discounts Available
1/2-13 X 2-3/4 Slotted Flat 82D Machine Screw Stainless Steel 1/2-13X2 3/4 SLOT FLAT FT MACHINE SCREWS STAINLESS STEEL [100 PER BOX]
Price per Box: $577.10 / Quantity Discounts Available
1/2-13 X 3-1/2 Slotted Flat 82D Machine Screw Stainless Steel 1/2-13X3 1/2 SLOT FLAT FT MACHINE SCREWS STAINLESS STEEL [100 PER BOX]
Price per Box: $413.71 / Quantity Discounts Available
1/2-13 X 4-1/2 Slotted Flat 82D Machine Screw Stainless Steel 1/2-13X4 1/2 SLOT FLAT FT MACHINE SCREWS STAINLESS STEEL [50 PER BOX]
Price per Box: $318.55 / Quantity Discounts Available
1/2-13 X 5-1/2 Slotted Flat 82D Machine Screw Stainless Steel 1/2-13X5 1/2 SLOT FLAT FT MACHINE SCREWS STAINLESS STEEL [50 PER BOX]
Price per Box: $168.92 / Quantity Discounts Available
1/2-13 X 3/4 Slotted Round Machine Screw Stainless Steel 1/2-13X3/4 SLOT ROUND FT MACHINE SCREWS STAINLESS STEEL [100 PER BOX]
Price per Box: $194.61 / Quantity Discounts Available
1/2-13 X 1 Slotted Round Machine Screw Stainless Steel 1/2-13X1 SLOT ROUND FT MACHINE SCREWS STAINLESS STEEL [100 PER BOX]
Price per Box: $285.69 / Quantity Discounts Available
1/2-13 X 2 Slotted Round Machine Screw Stainless Steel 1/2-13X2 SLOT ROUND FT MACHINE SCREWS STAINLESS STEEL [100 PER BOX]
Price per Box: $352.74 / Quantity Discounts Available
1/2-13 X 3 Slotted Round Machine Screw Stainless Steel 1/2-13X3 SLOT ROUND FT MACHINE SCREWS STAINLESS STEEL [100 PER BOX]
Price per Box: $289.73 / Quantity Discounts Available
1/2-13 X 4 Slotted Round Machine Screw Stainless Steel 1/2-13X4 SLOT ROUND FT MACHINE SCREWS STAINLESS STEEL [50 PER BOX]
Price per Box: $319.22 / Quantity Discounts Available
1/2-13 X 5 Slotted Round Machine Screw Stainless Steel 1/2-13X5 SLOT ROUND FT MACHINE SCREWS STAINLESS STEEL [50 PER BOX]
Price per Box: $292.21 / Quantity Discounts Available
1/2-13 X 6 Slotted Round Machine Screw Stainless Steel 1/2-13X6 SLOT ROUND FT MACHINE SCREWS STAINLESS STEEL [50 PER BOX]
Price per Box: $408.70 / Quantity Discounts Available
1/2-13 X 1 Slotted Flat 82D Machine Screw Stainless Steel 1/2-13X1 SLOT FLAT FT MACHINE SCREWS STAINLESS STEEL [100 PER BOX]
Price per Box: $190.44 / Quantity Discounts Available
1/2-13 X 3 Slotted Flat 82D Machine Screw Stainless Steel 1/2-13X3 SLOT FLAT FT MACHINE SCREWS STAINLESS STEEL [100 PER BOX]
Price per Box: $447.00 / Quantity Discounts Available
1/2-13 X 4 Slotted Flat 82D Machine Screw Stainless Steel 1/2-13X4 SLOT FLAT FT MACHINE SCREWS STAINLESS STEEL [50 PER BOX]
Price per Box: $217.98 / Quantity Discounts Available
1/2-13 X 5 Slotted Flat 82D Machine Screw Stainless Steel 1/2-13X5 SLOT FLAT FT MACHINE SCREWS STAINLESS STEEL [50 PER BOX]
Price per Box: $271.18 / Quantity Discounts Available
1/2-13 X 6 Slotted Flat 82D Machine Screw Stainless Steel 1/2-13X6 SLOT FLAT FT MACHINE SCREWS STAINLESS STEEL [50 PER BOX]
Price per Box: $555.61 / Quantity Discounts Available
1/2-13 X 1-1/4 Slotted Round Machine Screw Steel Zinc 1/2-13X1 1/4 SLOT ROUND FT MACHINE SCREWS ZINC [400 PER BOX]
Price per Box: $272.20 / Quantity Discounts Available
1/2-13 X 1-1/2 Slotted Round Machine Screw Steel Zinc 1/2-13X1 1/2 SLOT ROUND FT MACHINE SCREWS ZINC [300 PER BOX]
Price per Box: $228.04 / Quantity Discounts Available
1/2-13 X 1-3/4 Slotted Round Machine Screw Steel Zinc 1/2-13X1 3/4 SLOT ROUND FT MACHINE SCREWS ZINC [300 PER BOX]
Price per Box: $355.50 / Quantity Discounts Available
1/2-13 X 2-1/2 Slotted Round Machine Screw Steel Zinc 1/2-13X2 1/2 SLOT ROUND FT MACHINE SCREWS ZINC [200 PER BOX]
Price per Box: $306.09 / Quantity Discounts Available
1/2-13 X 3-1/2 Slotted Round Machine Screw Steel Zinc 1/2-13X3 1/2 SLOT ROUND FT MACHINE SCREWS ZINC [150 PER BOX]
Price per Box: $202.13 / Quantity Discounts Available
1/2-13 X 1-1/4 Slotted Truss Machine Screw Steel Zinc 1/2-13X1 1/4 SLOT TRUSS FT MACHINE SCREWS ZINC [250 PER BOX]
Price per Box: $223.88 / Quantity Discounts Available
1/2-13 X 1-1/2 Slotted Truss Machine Screw Steel Zinc 1/2-13X1 1/2 SLOT TRUSS FT MACHINE SCREWS ZINC [250 PER BOX]
Price per Box: $199.59 / Quantity Discounts Available
1/2-13 X 1-1/4 Phillips Flat 82D Machine Screw Steel Zinc 1/2-13X1 1/4 PHIL FLAT FT MACHINE SCREWS ZINC [500 PER BOX]
Price per Box: $551.00 / Quantity Discounts Available
1/2-13 X 1-1/2 Phillips Flat 82D Machine Screw Steel Zinc 1/2-13X1 1/2 PHIL FLAT FT MACHINE SCREWS ZINC [400 PER BOX]
Price per Box: $474.00 / Quantity Discounts Available
1/2-13 X 2-1/2 Phillips Flat 82D Machine Screw Steel Zinc 1/2-13X2 1/2 PHIL FLAT FT MACHINE SCREWS ZINC [150 PER BOX]
Price per Box: $199.35 / Quantity Discounts Available
1/2-13 X 1-1/4 Slotted Flat 82D Machine Screw Steel Zinc 1/2-13X1 1/4 SLOT FLAT FT MACHINE SCREWS ZINC [600 PER BOX]
Price per Box: $321.62 / Quantity Discounts Available
1/2-13 X 1-1/2 Slotted Flat 82D Machine Screw Steel Zinc 1/2-13X1 1/2 SLOT FLAT FT MACHINE SCREWS ZINC [400 PER BOX]
Price per Box: $214.33 / Quantity Discounts Available
1/2-13 X 1-3/4 Slotted Flat 82D Machine Screw Steel Zinc 1/2-13X1 3/4 SLOT FLAT FT MACHINE SCREWS ZINC [400 PER BOX]
Price per Box: $278.51 / Quantity Discounts Available
1/2-13 X 2-1/4 Slotted Flat 82D Machine Screw Steel Zinc 1/2-13X2 1/4 SLOT FLAT FT MACHINE SCREWS ZINC [300 PER BOX]
Price per Box: $268.55 / Quantity Discounts Available
1/2-13 X 2-1/2 Slotted Flat 82D Machine Screw Steel Zinc 1/2-13X2 1/2 SLOT FLAT FT MACHINE SCREWS ZINC [300 PER BOX]
Price per Box: $403.69 / Quantity Discounts Available
1/2-13 X 2-3/4 Slotted Flat 82D Machine Screw Steel Zinc 1/2-13X2 3/4 SLOT FLAT FT MACHINE SCREWS ZINC [300 PER BOX]
Price per Box: $331.32 / Quantity Discounts Available
1/2-13 X 3-1/4 Slotted Flat 82D Machine Screw Steel Zinc 1/2-13X3 1/4 SLOT FLAT FT MACHINE SCREWS ZINC [250 PER BOX]
Price per Box: $720.29 / Quantity Discounts Available
1/2-13 X 3-1/2 Slotted Flat 82D Machine Screw Steel Zinc 1/2-13X3 1/2 SLOT FLAT FT MACHINE SCREWS ZINC [100 PER BOX]
Price per Box: $137.41 / Quantity Discounts Available
1/2-13 X 4-1/2 Slotted Flat 82D Machine Screw Steel Zinc 1/2-13X4 1/2 SLOT FLAT FT MACHINE SCREWS ZINC [100 PER BOX]
Price per Box: $193.36 / Quantity Discounts Available
1/2-13 X 1-1/4 Phillips Pan Machine Screw Steel Zinc 1/2-13X1 1/4 PHIL PAN FT MACHINE SCREWS ZINC [500 PER BOX]
Price per Box: $507.99 / Quantity Discounts Available
1/2-13 X 1-1/2 Phillips Pan Machine Screw Steel Zinc 1/2-13X1 1/2 PHIL PAN FT MACHINE SCREWS ZINC [400 PER BOX]
Price per Box: $441.43 / Quantity Discounts Available
1/2-13 X 1/2 Slotted Round Machine Screw Steel Zinc 1/2-13X1/2 SLOT ROUND FT MACHINE SCREWS ZINC [500 PER BOX]
Price per Box: $913.50 / Quantity Discounts Available
1/2-13 X 3/4 Slotted Round Machine Screw Steel Zinc 1/2-13X3/4 SLOT ROUND FT MACHINE SCREWS ZINC [500 PER BOX]
Price per Box: $365.27 / Quantity Discounts Available
1/2-13 X 1-1/4 Hex Head Machine Screw Steel Zinc 1/2-13X1-1/4 Hex Head Machine Screw Zinc [300 PER BOX]
Price per Box: $225.48 / Quantity Discounts Available
1/2-13 X 1-1/2 Hex Head Machine Screw Steel Zinc 1/2-13X1-1/2 Hex Head Machine Screw Zinc [200 PER BOX]
Price per Box: $177.07 / Quantity Discounts Available
   
 
1