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McMaster 98029A033 Black-Oxide Steel Washer for 1/2″ Screw Size, General Purpose, 0.531″ ID
Original price was: $39.93.$11.97Current price is: $11.97.
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.
Material Certificate—Washers include a report with a traceable lot number.
|
Washer Designation
|
General Purpose |
|
Material
|
Black-Oxide Steel |
|
For Screw Size
|
1/2“ |
|
ID
|
0.531″ |
|
OD
|
1.125″ |
|
Thickness
|
0.105″ to 0.130″ |
|
Certificate Form
|
Digital |
|
Certificate Type
|
Material Certificate with Traceable Lot Number |
|
Hardness
|
Not Rated |
|
System of Measurement
|
Inch |
|
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) (06/25/2025, 250 SVHC) Compliant |
|
RoHS Compliance
|
RoHS 3 (2015/863/EU) Compliant with Exemptions |
|
RoHS Exemptions
|
6(a) |
|
Schedule B Number
|
731822.0000 |
|
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
|
Yes |
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