12-Point Flange Counterbore Screw, Alloy Steel, Plain Finish, Coarse Thread, 7/16-14 x 2-1/2"
(Pack of
25)
• Countr-Bor Screws generate higher clamp loads because they are torqued through an external drive (socket); standard hex socket head screws are torqued by an internal drive (hex key)
• Heat-treated alloy steel
• Class 3A UNC threads
• Tensile strength: 180,000 PSI (up to and including 1/2" dia.); 170,000 PSI (over 1/2" dia.)
• ANSI Specification B1.1
• All dimensional properties meet IFI-115 and SAE J58 specifications
• Lawson Countr-Bor Screws can replace any standard hex socket head screw
• 12-point screw fits into same counter-bore hole – use standard 12 point socket
NOTE: Use a wrench or socket size which corresponds to the diameter of the screw. For example, a 5/16" dia. screw is installed by using a 5/16", 12 point standard socket.
Couldn't load pickup availability
California Proposition 65: Not Applicable
www.P65Warnings.ca.gov
Frequently Bought Together
Hex Cap Screw Property Class 8.8 M6-1 x 16mm
Couldn't load pickup availability
DIN 6921 Hex Flange Bolt Grade 8.8 M8-1.25 x 16mm
Couldn't load pickup availability
Hex Flange Bolt Grade 10.9 M6-1 x 30mm
Couldn't load pickup availability
Hex Flange Bolt Grade 10.9 M10-1.25 x 30mm
Couldn't load pickup availability
DIN 125A Flat Washer Grade 140 HV M10
Couldn't load pickup availability
Hex Flange Bolt Grade 10.9 M8-1.25 x 25mm
Couldn't load pickup availability
DIN 6921 Hex Flange Bolt Grade 8.8 M8-1.25 x 16mm
Couldn't load pickup availability
Hex Flange Bolt Grade 10.9 M6-1 x 30mm
Couldn't load pickup availability
Hex Flange Bolt Grade 10.9 M10-1.25 x 40mm
Couldn't load pickup availability
Cowl Bumper Fender Liner/Engine Under Cover Rivet
Couldn't load pickup availability
Acrysol Auto Body Degreaser 16oz
Couldn't load pickup availability
Woven Polyester Electrical Tape 19mm x 25m
Couldn't load pickup availability
Product Description
• Countr-Bor Screws generate higher clamp loads because they are torqued through an external drive (socket); standard hex socket head screws are torqued by an internal drive (hex key)• Heat-treated alloy steel
• Class 3A UNC threads
• Tensile strength: 180,000 PSI (up to and including 1/2" dia.); 170,000 PSI (over 1/2" dia.)
• ANSI Specification B1.1
• All dimensional properties meet IFI-115 and SAE J58 specifications
• Lawson Countr-Bor Screws can replace any standard hex socket head screw
• 12-point screw fits into same counter-bore hole – use standard 12 point socket
NOTE: Use a wrench or socket size which corresponds to the diameter of the screw. For example, a 5/16" dia. screw is installed by using a 5/16", 12 point standard socket.
Technical Specifications
| Item#: | 85309 |
|---|---|
| Type | Counter-Bor |
| Diameter | 7/16 " |
| Thread Pitch | 14 |
| Thread | Coarse |
| Length | 2-1/2 " |
| Finish | Plain |
| Material | Alloy Steel |
| Head Style | 12-Point Flange |
| Size | 7/16X2-1/2 " |
| Specifications | IFI-115 |
| Tensile Strength | 180,000 PSI |
| UNSPSC #: | 31161620 |
| TAA Compliant: | Yes |
| Weight: | 2.93 lb |
Product Restrictions
California Proposition 65: Not Applicable
www.P65Warnings.ca.gov
