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Drilled aluminum ball, ideal for use as pendulum bob or in impact and collision experiments. Measures 19mm in diameter, with a 3mm countersunk hole so pendulum cord knots can be recessed. Item # Description Aluminum Balls: PNBA19 Drilled Aluminum Ball, 19mm diameter PNBA25 Drilled Aluminum Ball, 25mm diameter PNBA25-H Hooked Aluminum Ball, 25mm diameter Brass Balls, Polished: PNBB19 Drilled Brass Ball, 19mm diameter PNBB25 Drilled Brass Ball, 25mm diameter PNBB25-H Solid Brass Ball, With Hook, 25mm diameter PNBB38-H Solid Brass Ball, with Hook, 38mm diameter Copper Balls: PNBCP25 Drilled Copper Ball, 25mm diameter PNBCP38-H Solid Copper Ball, With Hook, 38mm diameter Cork Balls: PNBCK19 Drilled Cork Ball, 19mm diameter PNBCK25 Drilled Cork Ball, 25mm diameter PNBCK38-S Solid Cork Ball, 38mm diameter Plastic Balls: PNBP19 Drilled Plastic (Nylon) Ball, 19mm diameter PNBP25 Drilled Plastic (Nylon) Ball, 25mm diameter Steel Balls: PNBS19 Drilled Steel Ball, 19mm diameter PNBS25 Drilled Steel Ball, 25mm diameter PNBS13-S Solid Steel Ball, 13mm diameter PNBS19-S Solid Steel Ball, 19mm diameter PNBS25-S Solid Steel Ball, 25mm diameter PNBS38-S Solid Steel Ball, 38mm diameter PNBS25-H Solid Steel Ball, With Hook, 25mm diameter PNBS25-L Solid Steel Ball, With Lugs, 25mm diameter Wood Balls: PNBW19 Drilled Wood Ball, 19mm diameter PNBW25 Drilled Wood Ball, 25mm diameter
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🇺🇸 Ship from USA · On Agora since 2024
$4.05