New Arrivals/Restock

8020, 3320, 15 Series, 5/16-18 x 0.687 Inch Flanged Button Head Socket Cap Screw Bolt (FBHSCS) with Slide-in Economy T-Nut Hardware Combo (25 Pack)

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US$54.00 cheaper than the new price!!

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Used  US$36.00
quantity

Product details

Management number 211231996 Release Date 2026/04/04 List Price US$36.00 Model Number 211231996
Category
  • Includes 3330 - 5/16-18 x 0.687 11/16 inch flanged button head socket cap screw and 3278 - 5/16-18 slide-in economy t-nut offset thread.
  • Both the flanged button head socket cap screw and economy t-nut is made out of steel with a black zinc finish.
  • The bolt comes with a 0.66 inch diameter flange head and full thread length of 0.687 inch with a 3/16 allen hex drive. Thread size is 5/16-18.
  • The nut measures .638 x .222 x .984 inches long with an offset 5/16-18 thread.
  • Used to mount your brackets or plates to the track of the 15 Series or standard 1.5" based aluminum extrusion. Perfect for any DIY machinist!
Brand 80/20
Head Type Button
Size Name 25 Pack
Part Number 3320-25pk
Thread Size 5/16"-18
Drive System External Hex
Finish Types Zinc
Manufacturer 80/20 Inc
Thread Style Right Hand
Fastener Size 5/16"-18
Fastener Type Flanged Button
Item Hardness Grade 2
Material Type Alloy Steel
Exterior Finish Zinc
Thread Coverage Fully Threaded
Number of Pieces 25
Screw Head Style Socket Cap
Country Of Origin Taiwan
Manufacturer Grade Grade 2
Set Screw Thread Type Unified National Coarse (UNC)

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