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  1. Products
  2. Screws
  3. Self-Drilling Screws
  4. Hex Washer
  5. Unslotted
  6. Steel - Zinc
  7. #2 & #3 Point
  8. 5/16-12X1 1/4

5/16-12X1 1/4 Hex Washer - Unslotted - Self Drilling Screws - Zinc

Hex Washer - Unslotted - Self Drilling Screws - Zinc

Manufactured to ASME B18.6.3 & SAE J78 specifications
Case Hardened to Rockwell C50-56
(Core Hardness: Rockwell C32-40)
Steel Zinc Plated

Technical Specifications / 2D PDF Icon

Types BSD & CSD Drill Points #2 & 3
Guide to Drill Point Size Steel Zinc Screws
Head Dimensions Hex & Hex Washer Slotted
Show More Sizes

Product Details

Product SKU: 3120KW
Product Category: SELF-DRILLING SCREWS
Metric / Standard: Standard
Product Size: 5/16-12X1 1/4
Diameter: 5/16
Thread Pitch: 12
Length: 1 1/4
Drive: Unslotted
Head Style: Hex Washer
Material: Steel
Finish: Zinc
Tek Point: #3
In Stock: Y
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Pricing Information

Box Count: 700(Pieces)
Price Per Box: $217.52$0.31074 (Each)
5 Box Price: $199.68$0.28526 (Each)
Weight / Box: 20.16 lb0.02880 lb (Each)
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Total Pieces:
Total Weight:
Subtotal Price:
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