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McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25
McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25
McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25
McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25
McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25
McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25
McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25
McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25
McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25
McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25
McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25
McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25
McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25
McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25
McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25
McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25
McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25
McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25
McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25
McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25

McMaster 91310A543 High-Strength Class 10.9 Steel Hex Head Screw, M8 x 1.25 mm Thread Size, 50 mm Long, Fully Threaded, Pack of 25

UPC: | Harmonization / Schedule B : 7318.15.8066

Country of Origin: Canada | Shipping Weight: 2.48 lbs

$77.45 - $77.45
$77.45
$77.45 - $77.45
$77.45

Our most popular hex head screws. These have a head with six flat sides to keep wrenches and sockets from slipping and rounding off the drive.

High-Strength Fastener—Commonly used to fasten components in valves, pumps, motors, and other high-stress applications. These screws have a tensile strength of 125,000 to 160,000 psi.

Steel — Unfinished steel screws are best for dry environments, since moisture will cause them to rust. They require little surface prep before applying a finish, so you can apply your own paint or coating.

Thread Direction Right Hand
Hex Head Profile Standard
Fastener Head Type Hex
Drive Style External Hex
Fastener Strength Rating High
Material Steel
Thread Size M8 × 1.25 mm
Length 50 mm
Width 13 mm
Height 5.3 mm
Threading Fully Threaded
Thread Spacing Coarse
Fastener Strength Grade/Class Class 10.9
Tensile Strength 150,000 psi
Hardness Rockwell C32
Performance High Strength
Specifications Met DIN 933
ISO 4017
System of Measurement Metric
Thread Fit Metric Class 6g
Thread Type Metric
Tip Type Flat
Country of Origin Canada
DFARS Compliance Specialty Metals Compliant (252.225-7009)
Export Control Classification Number (ECCN) EAR99
REACH Compliance REACH (EC 1907/2006) (01/21/2025, 247 SVHC) Compliant
RoHS Compliance RoHS 3 (2015/863/EU) Compliant
Schedule B Number 731815.9000
U.S.–Mexico–Canada Agreement (USMCA) Qualifying Yes