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5/16"-18 Grade 8 (USS) Nylon Insert Lock Nut

5/16"-18 Grade 8 (USS) Nylon Insert Lock Nut - 50 Pack

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Item Number: 348405
Package Weight: 0.6 lbs
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Product Details

To complete your assembly check out our High Head Grade 8 Cap Screws.

  • Nylon locking element will not gall or strip threads or remove plating.
  • Full locking effectiveness from -65° to 250°F.
  • Provides a complete 360° locking circle around threads to prevent loosening under vibration and impact.
  • Locks at any position on the fastener and allows precise adjustment.
  • Nylon collar seals the threads to protect locked threads against corrosion for easier removal.
  • Zinc yellow plated finish.
  • Identification:
    Nylon Collar: Purple.
    Grade Identification: Double Notched Corners or 6 Dots

Product Specification

Brand:  Kimball Midwest Approved Vendor
Color:  Purple
Diameter:  5/16"
Finish:  Zinc Yellow Plated
Grade:  8
Head Style:  Flange Head
Height:  11/32"
Material:  Carbon Steel
Maximum Operating Temperature:  250 °F
Measurement Type:  USS
Minimum Operating Temperature:  -65 °F
Subcategory:  Grade 8 Nylon Insert Lock Nut
Thread Pitch:  18
Thread Size:  5/16"-18
Thread Type:  Coarse
Width Across Flats:  1/2"

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