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Square slotted steel packers, also called horseshoe shims, for levelling and packing machinery, steelwork and frames. The open slot slides round a bolt without removing it. Plasma cut from 3, 4 or 5 mm mild steel, 304 or 316 stainless and sold in packs of 5, 10 or 25.
Need thinner shims, other slot sizes or a closed hole? Send us a drawing.
Loosen the nut, lift the machine or member slightly, and slide the packer round the bolt from the side. Stack 3, 4 and 5 mm packers to reach the height you need. They are used under machine feet, column base plates, pump and motor bases, and steel frames during installation.
Made to order. We email your dispatch date. See delivery rates. Plain packers without a slot: tabs and spacer plates.
Are these precision shims?
No. They are plasma-cut packers, not ground precision shims. For fine adjustment, use shim stock.
Is the slot cut or drilled?
The slot is plasma cut in the same pass as the outline, with a rounded end.
Are these laser cut?
No. They are plasma cut and deburred, so edges show a plasma-cut finish and are not held to laser-cut tolerances. For tight-tolerance parts, send us a drawing.
Square slotted steel packers, also called horseshoe shims, for levelling and packing machinery, steelwork and frames. The open slot slides round a bolt without removing it. Plasma cut from 3, 4 or 5 mm mild steel, 304 or 316 stainless and sold in packs of 5, 10 or 25.
Need thinner shims, other slot sizes or a closed hole? Send us a drawing.
Loosen the nut, lift the machine or member slightly, and slide the packer round the bolt from the side. Stack 3, 4 and 5 mm packers to reach the height you need. They are used under machine feet, column base plates, pump and motor bases, and steel frames during installation.
Made to order. We email your dispatch date. See delivery rates. Plain packers without a slot: tabs and spacer plates.
Are these precision shims?
No. They are plasma-cut packers, not ground precision shims. For fine adjustment, use shim stock.
Is the slot cut or drilled?
The slot is plasma cut in the same pass as the outline, with a rounded end.
Are these laser cut?
No. They are plasma cut and deburred, so edges show a plasma-cut finish and are not held to laser-cut tolerances. For tight-tolerance parts, send us a drawing.