12-Point Flange Counterbore Screw, Alloy Steel, Plain Finish, Coarse Thread, 5/16-18 x 5/8"
(Pack of
50)
SKU:85285 Item#: 85285
• 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.
Frequently Bought Together
Hex Cap Screw Grade 10.9 Alloy Steel M6-1 x 20mm
$0.00
Couldn't load pickup availability
Hex Cap Screw Property Class 8.8 M6-1 x 20mm
$0.00
Couldn't load pickup availability
Hex Cap Screw Property Class 8.8 M8-1.25 x 40mm
$0.00
Couldn't load pickup availability
DIN 6921 Hex Flange Bolt Grade 8.8 M6-1 x 16mm
$0.00
Couldn't load pickup availability
Open End Rivet Dome Head Aluminum 1/8"
$0.00
Couldn't load pickup availability
Hex Nut Grade 8 Alloy Steel 1/4-20
$0.00
Couldn't load pickup availability
Hex Flange Bolt Grade 10.9 M8-1.25 x 45mm
$0.00
Couldn't load pickup availability
DIN 6921 Hex Flange Bolt Grade 8.8 M8-1.25 x 40mm
$0.00
Couldn't load pickup availability
Hex Flange Bolt Grade 10.9 M10-1.25 x 16mm
$0.00
Couldn't load pickup availability
Hex Flange Nut Grade 8 Steel M6-1
$0.00
Couldn't load pickup availability
Hex Cap Screw Property Class 8.8 M10-1.5 x 40mm
$0.00
Couldn't load pickup availability
Hex Flange Bolt Grade 10.9 M8-1.25 x 40mm
$0.00
Couldn't load pickup availability
Metric Indented Hex Head Bolt with 17mm Washer
$0.00
Couldn't load pickup availability
Front Fender Push-Type Retainer Nylon 18mm
$0.00
Couldn't load pickup availability
Rocker Molding Clip with Sealer Nylon Blue 17mm
$0.00
Couldn't load pickup availability
Hinge Pin and Bushing Kit 4 Items 7Pcs
$0.00
Couldn't load pickup availability
Bumper and Lower Deflector Specialty Rivet 4.8mm
$0.00
Couldn't load pickup availability
Cage Nut Steel M5-0.8
$0.00
Couldn't load pickup availability
Hinge Pin and Bushing Kit 4 Items 7Pcs
$0.00
Couldn't load pickup availability
Bumper and Lower Deflector Specialty Rivet 4.8mm
$0.00
Couldn't load pickup availability
Cage Nut Steel M5-0.8
$0.00
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#: | 85285 |
|---|---|
| Type | Counter-Bor |
| Diameter | 5/16 " |
| Thread Pitch | 18 |
| Thread | Coarse |
| Length | 5/8 " |
| Finish | Plain |
| Material | Alloy Steel |
| Head Style | 12-Point Flange |
| Size | 5/16X5/8 " |
| Specifications | IFI-115 |
| Tensile Strength | 180,000 PSI |
| UNSPSC #: | 31161620 |
| TAA Compliant: | Yes |
| Weight: | 0.95 lb |
