steel zinc standard pt slotted hex washer serrated self drilling screws

Serrated hex washer head self-drilling screws feature small teeth beneath the washer that bite into the material for added resistance to loosening under vibration. Blue Ribbon Fastener stocks these slotted, zinc-plated self-drilling screws in standard sizes.

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Usages for Hex Washer, Serrated Slotted, Steel Zinc, Standard Pt Screws

These screws are used in metal-to-metal connections subject to vibration, where the serrated washer face grips the material surface to resist backing out, common in equipment panels and vibrating machinery housings.

Serrated Hex Washer Self-Drilling Screws for all Industries

Equipment manufacturing and machinery assembly specify serrated hex washer self-drilling screws where vibration resistance is a concern. Blue Ribbon Fastener supplies consistent stock for production runs.

Features for Engineers & Buyers:

Serrated washer face bites into the material for vibration resistance
Slotted head for hand-driving with a flat-blade screwdriver
Zinc-plated steel construction
Standard drill point taps its own hole in light-gauge steel
No pre-drilling required
Same-day shipping on in-stock sizes when ordered by 2:30 PM CST
Volume and repeat customer pricing available — call or request a quote