Design Guide Supplement

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Threaded Torque

Threaded Insert Torque and Pull-Out Strength
(For ICI XSD-85150 Rigid Polyurethane System)

Insert Size

@ .85 Density

@ .60 Density

Size

Torque*

Pull-Out**

Torque*

Pull-Out**

4-40

1.0

220

1.0

150

6-32

2.0

350

.5

175

8-32

6.0

500

2.0

185

10-32

12.0

740

5.0

255

1/4-20

 22.0 830 13.0 420

*Torque values in inch pounds  **Pull-out values in pounds 
Note: Values apply when boss diameters follow Rimnetics Boss Diameter Guide

Threaded Insert Molded-In Pilot Hole Size Guide
Insert Size Hole Depth Hole Diameter
4-40 .285 .149
6-32 .330 .188
8-32 .380 .219
10-32 .415 .250
1/4-20 .535 .312

Boss Diameter Guide
Bosses located along part perimeter, within ribs, or free standing

Bosses up to 1/4” in height
Insert Size Boss Diameter Boss Draft Gusset* Width x 45o
4-40 7/16” 5o none
6-32 9/16” 5o none
8-32 5/8” 5o none
10-32 3/4” 5o none
1/4”-20 15/16” 5o none

Bosses 1/4” to 1/2” in height
Insert Size Boss Diameter Boss Draft Gusset* Width x 45o
4-40 7/16” 5o 3/16”
6-32 9/16” 5o 3/16”
8-32 5/8” 5o 3/16”
10-32 3/4” 5o 3/16”
1/4-20 15/16” 5o 3/16”
 

Bosses 1/2” to 3/4” in height

Insert Size

Boss Diameter

 Boss Draft Gusset* Width x 45o
4-40 1/2” 3o 3/16”
6-32 5/8” 3o 3/16”
8-32 11/16” 3o 3/16”
10-32 13/16” 3o 3/16”
1/4-20 1” 3o 3/16”
 

Bosses 3/4” to 1” in height
Insert Size Boss Diameter Boss Draft Gusset* Width x 45o
4-40 1/2” 3o 1/4”
6-32 5/8” 3o 1/4”
8-32 11/16” 3o 1/4”
10-32 13/16” 3o 1/4”
1/4-20 1” 3o 1/4”
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