about us
M & M Truck Castor Shims are Exclusive and the only aluminum option on the market. Each castor shim is C & C precision machined, individually sized and slotted for easy installation. And Engraved for easy identification of shape, size, and pitch (Degree) for stocking purposes.
M & M shims are made in the U.S.A. from the toughest material to provide the perfect blend of toughness, elasticity, and torsional strength, and will not crack, break, or bend- this aluminum has the perfect tensile strength for Heavy Duty truck shims.
M&M has never had a failed shim or warranty return to date.
Castor Shims - Tandem Shims - Spacer Blocks
- Aluminum Alloy - 6061-T651 Extruded Rectangle flat bars, plates and sheets
- Cold roll Steel Bars - 1018 CRS
- Cold roll Steel Sheets - 1018 Galvanized Plating
Finishes
- 1018 Cold Roll Steel - Red Oxide or Grey Primer
- M & M Shims will not crack, break, crumble, spread or mash.
- No minimum 6 or 12 pack to purchase
- Leading edge adds consistency, integrity & strength
- Less Expensive than Manganese, Bronze & Steel
- Far more durable than Zinc
