Sherex Fastening Solutions, LLC
Sherex Fastening Solutions, LLC.
400 Riverwalk Pkwy, Suite 600
Tonawanda, NY 14150
Toll Free: 866.474.3739
Tel: 716.875.0315
Fax: 716.875.0358
Email: info@sherex.com
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Sherex's Closed End Sealed Optisert is the best option for a closed end, round body rivet nut. 

The patent-pending closed-end design provides a sealed option that does not compromise the biting effect of the wedges, delivering superior performance to other round-body, closed-end rivet nuts in the market. The seal helps keep out dust and viscous material from entering inside the base material. 

Optisert is available in a variety of different finishings, seals or no seal. Please download our 3D models and if you have any questions, please contact us!

Please note: Grip range can be affected by parent material and hole size. Sherex recommends trial installations to determine the proper grip range for the application. Contact Sherex for details.

Optisert -- Closed End | Steel
Unit of Measure
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Item #

Thread Size

Grip Range
(Min.-Max.)

LB ±.015
(inch)

HD (±.020/±.025*)
(inch)

HT
± .004

D (Max.)
(inches)

ILB (Max.)
(inch)

ITD (Ref.)
(inch)

Hole Size
+.006/-.000 (inches)

3D CAD

OPT2-2520-236BS(mt.23) N/A 1/4-20 UNC N/A .138-.236 N/A 1.190 N/A .682 N/A .059 N/A 0.393 N/A 0.896 N/A 0.748 N/A 0.394 N/A
OPT2-3118-236BS(mt.23) N/A 5/16-18 UNC N/A .138-.236 N/A 1.39 N/A 0.857 N/A .082 N/A 0.531 N/A 1.083 N/A 1.063 N/A 0.531 N/A
OPT2-1024-315BS(mt.24) N/A #10-24 UNC N/A .217-.315 N/A 1.305 N/A .548 N/A .059 N/A 0.298 N/A 0.951 N/A 0.984 N/A 0.300 N/A
OPT2-1032-315BS(mt.24) N/A #10-32 UNF N/A .217-.315 N/A 1.305 N/A .548 N/A .059 N/A 0.393 N/A 0.951 N/A 0.984 N/A 0.300 N/A
OPT2-0832-315BS(mt.24) N/A #8-32 UNC N/A .217-.315 N/A 1.305 N/A .548 N/A .059 N/A 0.298 N/A 0.951 N/A 0.984 N/A 0.300 N/A
OPT2-1024-315BS(mt.25) N/A #10-24 UNC N/A .217-.315 N/A 1.305 N/A .548 N/A .059 N/A 0.298 N/A 0.951 N/A 0.984 N/A 0.300 N/A
OPT2-1032-315BS(mt.25) N/A #10-32 UNF N/A .217-.315 N/A 1.305 N/A .548 N/A .059 N/A 0.393 N/A 0.951 N/A 0.984 N/A 0.300 N/A
OPT2-2520-335BS(mt.25) N/A 1/4-20 UNC N/A .236-.335 N/A 1.394 N/A .682 N/A .059 N/A 0.393 N/A 0.994 N/A 0.945 N/A 0.394 N/A
OPT2-3118-335BS(mt.25) N/A 5/16-18 UNC N/A .236-.335 N/A 1.599 N/A 0.857 N/A .082 N/A 0.531 N/A 1.181 N/A 1.260 N/A 0.531 N/A
OPT2-0832-315BS(mt.25) N/A #8-32 UNC N/A .217-.315 N/A 1.305 N/A .548 N/A .059 N/A 0.298 N/A 0.951 N/A 0.984 N/A 0.300 N/A
OPT2-1024-315BS(mt.26) N/A #10-24 UNC N/A .217-.315 N/A 1.305 N/A .548 N/A .059 N/A 0.298 N/A 0.951 N/A 0.984 N/A 0.300 N/A
OPT2-1032-315BS(mt.26) N/A #10-32 UNF N/A .217-.315 N/A 1.305 N/A .548 N/A .059 N/A 0.393 N/A 0.951 N/A 0.984 N/A 0.300 N/A
OPT2-2520-335BS(mt.26) N/A 1/4-20 UNC N/A .236-.335 N/A 1.394 N/A .682 N/A .059 N/A 0.393 N/A 0.994 N/A 0.945 N/A 0.394 N/A
OPT2-3118-335BS(mt.26) N/A 5/16-18 UNC N/A .236-.335 N/A 1.599 N/A 0.857 N/A .082 N/A 0.531 N/A 1.181 N/A 1.260 N/A 0.531 N/A
OPT2-0832-315BS(mt.26) N/A #8-32 UNC N/A .217-.315 N/A 1.305 N/A .548 N/A .059 N/A 0.298 N/A 0.951 N/A 0.984 N/A 0.300 N/A
OPT2-1024-315BS(mt.27) N/A #10-24 UNC N/A .217-.315 N/A 1.305 N/A .548 N/A .059 N/A 0.298 N/A 0.951 N/A 0.984 N/A 0.300 N/A
OPT2-1032-315BS(mt.27) N/A #10-32 UNF N/A .217-.315 N/A 1.305 N/A .548 N/A .059 N/A 0.393 N/A 0.951 N/A 0.984 N/A 0.300 N/A
OPT2-2520-335BS(mt.27) N/A 1/4-20 UNC N/A .236-.335 N/A 1.394 N/A .682 N/A .059 N/A 0.393 N/A 0.994 N/A 0.945 N/A 0.394 N/A
OPT2-3118-335BS(mt.27) N/A 5/16-18 UNC N/A .236-.335 N/A 1.599 N/A 0.857 N/A .082 N/A 0.531 N/A 1.181 N/A 1.260 N/A 0.531 N/A
OPT2-0832-315BS(mt.27) N/A #8-32 UNC N/A .217-.315 N/A 1.305 N/A .548 N/A .059 N/A 0.298 N/A 0.951 N/A 0.984 N/A 0.300 N/A
OPT2-0832-315BS(mt.28) N/A #8-32 UNC N/A .217-.315 N/A 1.305 N/A .548 N/A .059 N/A 0.298 N/A 0.951 N/A 0.984 N/A 0.300 N/A
OPT2-1024-315BS(mt.28) N/A #10-24 UNC N/A .217-.315 N/A 1.305 N/A .548 N/A .059 N/A 0.298 N/A 0.951 N/A 0.984 N/A 0.300 N/A
OPT2-1032-315BS(mt.28) N/A #10-32 UNF N/A .217-.315 N/A 1.305 N/A .548 N/A .059 N/A 0.393 N/A 0.951 N/A 0.984 N/A 0.300 N/A
OPT2-2520-335BS(mt.28) N/A 1/4-20 UNC N/A .236-.335 N/A 1.394 N/A .682 N/A .059 N/A 0.393 N/A 0.994 N/A 0.945 N/A 0.394 N/A
OPT2-3118-335BS(mt.28) N/A 5/16-18 UNC N/A .236-.335 N/A 1.599 N/A 0.857 N/A .082 N/A 0.531 N/A 1.181 N/A 1.260 N/A 0.531 N/A
Unit of Measure
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