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McMaster 98687A321 General Purpose Steel Washer, for M12 Screw, Black-Oxide, 13mm ID, 24mm OD, US Origin, Pack of 10

Original price $49.47 - Original price $49.47
Original price
$49.47
$49.47 - $49.47
Current price $49.47

Your go-to metal washer for every screw size. Washers take the pressure off nuts and screws to protect mounting surfaces.

Black-Oxide Steel—Typically chosen for their appearance, these washers have a dark, matte coating that creates a finished look. They offer minimal corrosion resistance, so they're best for dry environments.

Washer Designation General Purpose
Material Black-Oxide Steel
For Screw Size M12
ID 13.0 mm
OD 24.0 mm
Thickness 2.3 mm to 2.7 mm
Hardness Not Rated
Specifications Met DIN 125
System of Measurement Metric
Washer Type Flat
Country of Origin United States
DFARS Compliance Specialty Metals COTS-Exempt
Export Control Classification Number (ECCN) EAR99
REACH Compliance REACH (EC 1907/2006) (02/04/2026, 253 SVHC) Compliant
RoHS Compliance RoHS 3 (2015/863/EU) Compliant
Schedule B Number 731822.0000
U.S.–Mexico–Canada Agreement (USMCA) Qualifying Yes