3/8-24 X 7/8" 육각 머리 캡 나사 | 미국산 | 그레이드 8 강철 황색 아연 도금 | 풀 나사산 (100개/팩)

I needed some high-strength fasteners for a repair on my milling machine, and these Grade 8 bolts with the yellow zinc finish fit perfectly. The hex heads gripped the socket without any rounding, and all 100 threads were neatly cut and burr-free.

The threads are clean and consistent, so they thread into stainless nuts without any binding. I used these on a heavy-duty bracket mount and the Grade 8 strength gives me confidence it’ll hold up over time.

These bolts fit perfectly into the machinery mount I was fixing, and the hex head gave my socket wrench a solid grip without slipping. The yellow zinc coating looks consistent across all 100 pieces, no duds in the batch.