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  1. Products
  2. Screws
  3. Self-Drilling Screws
  4. Hex Washer - Serrated
  5. Unslotted
  6. Zinc - 7/16" A.F. - #3 Pt.
  7. 5/16-12X1 1/4

5/16-12X1 1/4 Serrated Hex Washer - Unslotted - Self Drilling Screws - Zinc - #3 Point

Serrated Hex Washer - Unslotted - Self Drilling Screws - Zinc - #3 Point

Heads are 7/16” Across the Flats
Manufactured to SAE J78 specifications
Case Hardened to Rockwell C50-56 (Core Hardness: Rockwell C32-40)
Steel Zinc Plated

Technical Specifications / 2D PDF Icon

Serrated Hex Washer Dimensional & Material Specs
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Product Details

Product SKU: 312007KWS
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
Distance Across Flats: 7/16
Drive: Unslotted
Head Style: Hex Washer - Serrated
Material: Steel
Finish: Zinc
Tek Point: #3
In Stock: N
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Pricing Information

Box Count: 700(Pieces)
Price Per Box: N/AN/A
5 Box Price: N/AN/A
Weight / Box: 18.73 lb0.02676 lb (Each)
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Total Pieces:
Total Weight:
Subtotal Price:
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