Tri-Groove Security Nuts 316 Stainless Steel

316 Stainless Steel Tri-Groove Security Nuts

316 Stainless Steel


  • Tapered diameter resistant to gripping devices
  • Driven by three grooves on the outside of the nut
  • Installed using a special tri groove socket
  • Marine Grade 316 Stainless Steel is suitable in harsh environments
  • Commonly used on boats, docks, piers and pools
  • Tamper Proof Nuts are commonly used with driverless fasteners, such as carriage bolts, or with masonry anchors for a more secure assembly

Nominal
Tri Groove Nut Size
Max Diameter Max Height
Socket
Number
#10 0.654" 0.265"
#20
1/4"
0.660" 0.265"
#20
5/16"
0.815" 0.345" #30
3/8"
0.817" 0.345" #30
1/2" 0.818" 0.348" #40
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Product Specifications
Color
Silver
Corrosion Resistant
Yes
Marine Grade
Yes
Material
316 Stainless Steel
Product Type
Tri Groove Nut
Security Fastener
Yes
Thread Direction
Right Hand
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
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Qty
Size
Select Package Quantity
SubTotal
1/4"-20
SKU #6206-020-0002
1/4"-20
SKU #6206-020-0002
1
$5.25 (5.25/ea)
25
$120.25 (4.81/ea)
100
$438.00 (4.38/ea)
1000
$3,940.00 (3.94/ea)
 
5/16"-18
SKU #6206-020-0012
5/16"-18
SKU #6206-020-0012
1
$6.90 (6.90/ea)
25
$158.25 (6.33/ea)
100
$575.00 (5.75/ea)
1000
$5,180.00 (5.18/ea)
 
3/8"-16
SKU #6206-020-0022
3/8"-16
SKU #6206-020-0022
1
$7.65 (7.65/ea)
25
$174.75 (6.99/ea)
100
$638.00 (6.38/ea)
1000
$5,740.00 (5.74/ea)
 
1/2"-13
SKU #6206-020-0032
1/2"-13
SKU #6206-020-0032
1
$7.80 (7.80/ea)
25
$178.75 (7.15/ea)
100
$650.00 (6.50/ea)
1000
$5,850.00 (5.85/ea)