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Penta Bolts

Penta bolts are tamper resistant, having pentagonal heads that cannot be loosened by typical hardware store tools. These fasteners are commonly used to secure manhole covers.


Dia/Thread Size : 1/2"-13
Material : Stainless Steel
Grade : 18-8
System of Measurement: Imperial (Inch)
System of Measurement: Imperial (Inch)
Length SKU Pkg Qty Price
Length SKU Pkg Qty Price
1-1/4" 0175161 EA 4.06
1-1/2" 0175162 EA 8.88
2" 0175164 EA 6.95
2-1/4" 0175165 EA 0.54
2-1/2" 0175166 EA 7.74
3" 0175168 EA 7.01
3-1/2" 0175169 EA 6.72
4" 0175170 EA 5.52
Dia/Thread Size : 3/8"-16
Material : Stainless Steel
Grade : 18-8
System of Measurement: Imperial (Inch)
System of Measurement: Imperial (Inch)
Length SKU Pkg Qty Price
Length SKU Pkg Qty Price
3/4" 0175148 EA 13.49
1" 0175149 EA 7.09
1-3/4" 0175152 EA 8.47
2" 0175153 EA 10.55
2-1/4" 0175154 EA 5.74
2-1/2" 0175155 EA 15.02
3" 0175157 EA 11.75
3-1/2" 0175158 EA 16.20