(800) 558-1082Intl: (480) 503-3801
Bryce Fastner
Bryce Fastner

Penta-Nut™

Bryce Fastener - Penta-Nut A Nut That Acts Like a Lock
Penta-Nut™ is the largest diameter security nut available and needs no washer. This high-security 316 stainless steel nut turns any bolt into a lock.
  • The deep socket allows overrun of bolt
  • Cone shape repels locking pliers
  • Compression ring binds and seals
  • Patents in U.S. and worldwide provides security
  • A secure Pentagon recess provides high torque capability
Security Level:
Penta-Nut
Penta-Nut
View Penta-Nut™ Flier CAD on Demand
 

Specifications

Penta-Nut™ A nut that Acts Like a Lock

  Size Ranges US 6/32 through 7/8-9   Metric M4-M16
 
Thread
6-32 - 1/4-20
5/16-18 - 3/8-16
7/16-14 - 1/2-13
1/2-13 - 5/8-11
5/8-11 - 7/8-9
Thread Metric
M4 - M6
M8 - M10
M12
M14 - M16
M16 - M20
Height
.275 (7mm)
.400 (10.2mm)
.500 (12.7mm)
.600 (15.24mm)
.725 (18.4mm)
Top Diameter
.50 (12.7mm)
.745 (18.9mm)
.94 (23.9mm)
.97 (24.63mm)
1.53 (38.9mm)
Bottom Diameter
.660 (16.7mm)
1.00 (25.4mm)
1.25 (31.7mm)
1.375 (34.92mm)
2.00 (50.8mm)
Socket
IGPNS25
IGPNS37
IGPNS50
IGPNS60
IGPNS87