براغي خيطية من نوع Taptite #4-40 × 1/4 بوصة | رأس مقبس مع محرك فيليبس | فولاذ مطلي بالزنك ثلاثي التكافؤ (1000 / عبوة)

Ordered these for a batch of small brackets and the thread-rolling action really did its job, cutting clean threads without needing to pre-tap. The 1/4" length was perfect for thin sheet metal, and the phillips heads seated flush without stripping. Glad I grabbed the 1000-pack, this should last me t

The trivalent zinc finish on these screws is holding up well in my steel assembly jigs without any rust. I appreciate the consistent phillips drive fit across the whole thousand-piece box.

Just finished a small electronics bracket assembly and these pan head #4-40s grabbed cleanly through the pre-drilled holes—the thread rolling action really does its job without stripping. The phillips drive seated well with a standard bit, and the trivalent zinc finish looks uniform across all 1000