Bolt Size Used in the WK-4S Caster Kit
Frequently Asked Questions
Written by Arturo Perez
Updated at September 15th, 2026
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Brand:
- JBL
Models:
- WK-4S Caster Kit
What size of bolts are used in the WK-4S caster kit?
There are 16 pieces of 5/16-18 x 1 bolts in the kit, 4 pieces for each caster. The WK-4S compatible speakers (such as the VRX, SRX700, and SRX800 series) have a 5/16-18 T-nut inserted in the cabinet.
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