Fasteners Bulk Fasteners

Dorman

M10-1.25 LOCK NUT

$18.98

SKU: D00I 784-777

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Dorman 784-777 is a set of hex lock nuts featuring a nylon ring. These nuts are designed to Class 8 standards and have a thread size of M10-1.25mm, with a height of 10mm. They are manufactured using durable materials and have undergone corrosion testing, including salt spray testing.

The nuts are suitable for a variety of applications, from automotive to home use. Dorman backs the quality of these nuts with a team of professional engineers and quality control specialists in the United States.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDorman
Part NumberD00I 784-777

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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