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MAKERS BOLT

3/8" (100 Pack) Grade 8 Lock Washer, Split, Thru-Hardened, Yellow Zinc by Makers Bolt

  • Based on 169 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Friday, Aug 7
Order within 23 hours and 18 minutes
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Size: 3/8" (100 pack)


Features

  • Size: for 3/8" fasteners | Inside diameter: 0.381" | Outside diameter: max 0.688" | Thickness: min 0.094"
  • 100 split lock washers per package
  • Grade 8 high strength thru-hardened steel
  • Yellow zinc plated for moderate corrosion resistance
  • ASME B18.21.1 Compliant

Description

3/8" (100 Pack) Grade 8 Lock Washer, Split, Thru-Hardened, Yellow Zinc by Makers Bolt

Material: Alloy Steel


Outside Diameter: 0.69 Inches


Washer Type: Split Lock


Exterior Finish: Zinc


Fastener Size: 3/8"


Outside Diameter: 0.69 Inches


Fastener Size: 3/8"


Item Thickness: 0.09 Inches


Size Name: 3/8" (100 pack)


Item Weight: 0.28 Kilograms


Number of Pieces: 100


Item Diameter: 0.69 Inches


Compatible Groove Diameter: 0.4 Inches


Material Type: Alloy Steel


Exterior Finish: Zinc


Metal Type: Alloy Steel


Finish Types: glossy


Washer Type: Split Lock


Grade Rating: Grade 8


Fastener Type: Split Lock Washer


Brand: MAKERS BOLT


UPC: 810074742399


Manufacturer: Makers Bolt


Global Trade Identification Number: 99


Number Of Items: 100


Part Number: 38SLWHY100


Model: 38SLWHY100


Unit Count: 100.0 Count


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Aug 7

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews

    • Got better than I paid for.
Size: 5/16" (100 pack)
Great quality. Exactly what was put in the description. Excellent price.
Reviewed in the United States on May 15, 2026 by John Nicholson
    • Lock those nuts down.
Size: 3/8" (100 pack)
Great product. Good grade 8 with quality plateing
Reviewed in the United States on April 17, 2026 by Dan
    • Real grade 8 ‘s
Size: 5/16" (100 pack)
True grade 8 at a good price
Reviewed in the United States on March 18, 2026 by grizz
    • Lock washers
Size: 3/8" (100 pack)
OK washes but not to quality that I’m used
Reviewed in the United States on October 10, 2025 by Amazon Customer
    • Yep, grade 8 works
Size: 5/16" (100 pack)
Grade 8 hardware is better for strength and durability. These work for me.
Reviewed in the United States on May 16, 2026 by Jim White
    • Lock washers
Size: 5/8" (50 pack)
They are grade 8 split lock washers and they do the job
Reviewed in the United States on April 11, 2026 by Troy Piper
    • Lock washers will hold up to 80 pounds of torque
Size: 9/16" (50 pack)
Will these lock washers hold up to 80 pounds of torque. Yes, they worked very good. I replaced my 4 leaf springs for a 6 leaf spring set, I had to replace some of the lock washers on a set of ubolts I bought for the install.
Reviewed in the United States on March 28, 2026 by Amazon Customer
    • Repeat purchase
Size: 5/16" (100 pack)
Standard hardware item, look good
Reviewed in the United States on April 18, 2026 by Daniel F. Martin

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