Counterbore Screw 5/8-11 x 3"
(Pack of
10.0)
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 Property Class 8.8 M10-1.5 x 40mm
Couldn't load pickup availability

Hex Cap Screw Grade 10.9 Alloy Steel M10-1.5 x 30mm
Couldn't load pickup availability

Hex Cap Screw Grade 10.9 Alloy Steel M6-1 x 25mm
Couldn't load pickup availability

Lockbolt Collar Standard Flange Aluminum 3/16"
Couldn't load pickup availability

Hex Flange Bolt Grade 10.9 M10-1.25 x 25mm
Couldn't load pickup availability

Serrated Hex Flange Nut Alloy Steel M10-1.25
Couldn't load pickup availability

Hex Flange Bolt Grade 10.9 M10-1.5 x 40mm
Couldn't load pickup availability

Counterbore Screw 5/16-18 x 2"
Couldn't load pickup availability

Hex Flange Locking Screw Grade 5 1/2-13 x 1-3/4"
Couldn't load pickup availability

Radiator Grille Nut M4.2-1.41
Couldn't load pickup availability

Metric Indented Hex Head Bolt with 17mm Washer
Couldn't load pickup availability

Molding Clip with Sealer Nylon White 10 x 12mm
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#: | 85329 |
---|---|
Type | Counter-Bor |
Diameter | 5/8 " |
Thread Pitch | 11 |
Thread | Coarse |
Length | 3 " |
Finish | Plain |
Material | Alloy Steel |
Head Style | 12-Point Flange |
Size | 5/8X3 " |
Specifications | IFI-115 |
Tensile Strength | 170,000 PSI |
UNSPSC #: | 31161620 |
TAA Compliant: | No |
Weight: | 2.96 lb |
Product Restrictions



