Brass Metric 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
96-18MMCB 18mm Hole Dia. | 18.14mm OD $1.76
96-20MMCB 20mm Hole Dia. | 20.24mm OD $1.74
96-22MMCB 22mm Hole Dia. | 22.17mm OD $1.74
96-25MMCB 25mm Hole Dia. | 25.27mm OD $1.46
96-26MMCB 26mm Hole Dia. | 26.20mm OD $1.65
96-28MMCB 28mm Hole Dia. | 28.32mm OD $1.64
96-30MMCB 30mm Hole Dia. |30.25mm OD $1.66
96-31.5MMCB 31.5mm Hole Dia. | 31.98mm OD $2.90
96-32MMCB 32mm Hole Dia. | 32.23mm OD $2.55
96-34.3MMCB 34mm Hole Dia. | 34.24mm OD $1.98
96-35MMCB 35mm Hole Dia. | 35.38mm OD $1.50
96-36MMCB 36mm Hole Dia. | 36.22m OD $2.19
96-36.5MMCB 36.5mm Hole Dia. | 36.75mm OD $2.90
96-38MMCB 38mm Hole Dia. | 38.23mm OD $2.36
96-40MMCB 40mm Hole Dia. | 40.41mm OD $1.78
96-41.5MMCB 41mm Hole Dia. | 41.43mm OD $3.12
96-42.3MMCB 42mm Hole Dia. | 42.27mm OD $2.93
96-45MMCB 45mm Hole Dia. | 45.42mm OD $4.12
96-47MMCB 46.5mm Hole Dia. | 46.76mm OD $2.13
96-47.2MMCB 47mm Hole Dia. | 47.22mm OD $3.25
96-49.5MMCB 49.5mm Hole Dia. | 49.63mm OD $3.25
96-50MMCB 50mm Hole Dia. | 50.42mm OD $4.60
96-51.05MMCB 51mm Hole Dia. | 51.052mm OD $2.90