12-Point Flange Screws

When you need serious clamp load in a tight footprint, 12-Point Flange Screws deliver. Heat-treated alloy steel at 170,000 psi min with black oxide fights wear and corrosion. The 12 external flats bite hard for maximum torque. Choose fine (SAE) for higher preload, coarse (USS) for faster assembly and dirtier threads.

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12-Point Flange Screws - Coarse Thread (USS)

12-Point Flange Screws - Fine Thread (SAE)

12-Point Flange Screws - Coarse Thread (USS)

12-point flange screws made from heat-treated alloy steel with a black oxide or plain finish. Coarse USS threads with high tensile strength (170,000 psi) and external wrenching flats. Flange diameter matches socket head cap screws, providing greater clamp force and interchangeability.

Diameter: 1/4"

Length	Thread Size	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/2"	1/4"-20	50	306404	Log in to view price
1/4"-20 x 1/2" (USS) 12-Point Flange Screw - 50 Pack Item #: 306404 Package Weight: 0.5 lbs View Product Details Log in to Order
5/8"	1/4"-20	50	306405	Log in to view price
1/4"-20 x 5/8" (USS) 12-Point Flange Screw - 50 Pack Item #: 306405 Package Weight: 0.6 lbs View Product Details Log in to Order
3/4"	1/4"-20	50	306406	Log in to view price
1/4"-20 x 3/4" (USS) 12-Point Flange Screw - 50 Pack Item #: 306406 Package Weight: 0.7 lbs View Product Details Log in to Order
1"	1/4"-20	50	306408	Log in to view price
1/4"-20 x 1" (USS) 12-Point Flange Screw - 50 Pack Item #: 306408 Package Weight: 0.8 lbs View Product Details Log in to Order
1-1/4"	1/4"-20	50	306410	Log in to view price
1/4"-20 x 1-1/4" (USS) 12-Point Flange Screw - 50 Pack Item #: 306410 Package Weight: 1 lbs View Product Details Log in to Order
1-1/2"	1/4"-20	50	306412	Log in to view price
1/4"-20 x 1-1/2" (USS) 12-Point Flange Screw - 50 Pack Item #: 306412 Package Weight: 1.1 lbs View Product Details Log in to Order
1-3/4"	1/4"-20	50	306414	Log in to view price
1/4"-20 x 1-3/4" 12-Point Flange Screw - 50 Pack Item #: 306414 Package Weight: 1.2 lbs View Product Details Log in to Order
2"	1/4"-20	25	306416	Log in to view price
1/4"-20 x 2" 12-Point Flange Screw - 25 Pack Item #: 306416 Package Weight: 0.7 lbs View Product Details Log in to Order
2-1/4"	1/4"-20	25	306418	Log in to view price
1/4"-20 x 2-1/4" 12-Point Flange Screw - 25 Pack Item #: 306418 Package Weight: 0.8 lbs View Product Details Log in to Order
2-1/2"	1/4"-20	25	306420	Log in to view price
1/4"-20 x 2-1/2" 12-Point Flange Screw - 25 Pack Item #: 306420 Package Weight: 0.8 lbs View Product Details Log in to Order
2-3/4"	1/4"-20	25	306422	Log in to view price
1/4"-20 x 2-3/4" 12-Point Flange Screw - 25 Pack Item #: 306422 Package Weight: 0.9 lbs View Product Details Log in to Order
3"	1/4"-20	25	306424	Log in to view price
1/4"-20 x 3" 12-Point Flange Screw - 25 Pack Item #: 306424 Package Weight: 1.1 lbs View Product Details Log in to Order

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12-Point Flange Screws - Fine Thread (SAE)

12-point flange screws made from heat-treated alloy steel with black oxide finish and 170,000 psi tensile strength. External 12-flats provide full clamp force and flange diameter matches socket head cap screws for interchangeability, suitable for high-strength fastening applications.

Diameter	Length	Thread Size	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
5/8"	1-1/2"	5/8"-18	10	317112	Log in to view price
5/8"-18 x 1-1/2" (SAE) 12-Point Flange Screw - 10 Pack Item #: 317112 Package Weight: 2 lbs View Product Details Log in to Order
5/8"	2"	5/8"-18	10	317116	Log in to view price
5/8"-18 x 2" (SAE) 12-Point Flange Screw - 10 Pack Item #: 317116 Package Weight: 2.4 lbs View Product Details Log in to Order
1"	5-1/2"	1"-14	5	307744	Log in to view price
1"-14 x 5-1/2" 12-Point Flange Screw - 5 Pack Item #: 307744 Package Weight: 7.6 lbs View Product Details Log in to Order
1-1/4"	6-1/2"	1-1/4"-12	1	307952	Log in to view price
1-1/4"-12 x 6-1/2" (SAE) 12-Point Flange Screw Item #: 307952 Package Weight: 13.9 lbs View Product Details Log in to Order