Brass Metric Concave Cup Expansion (Freeze) Plugs


QualCast Expansion Plugs are produced from the highest quality steel in a wide variety of cup designs. For marine, performance, or heavy duty applications we recommend brass or stainless steel materials. We carry standard cup, shallow cup, and concave cup in all three materials, as well as in metric sizes.

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Order No. Description Price Quantity
QC9621MMCCB 21mm Hole Dia. | 21mm OD | 96-21MMCB $2.17
QC9624MMCCB 24mm Hole Dia. | 24mm OD | 96-24MMCCB $2.17
QC9645MMCCB 45mm Hole Dia. | 45mm OD | 96-45MMCCB $4.48