Test 20 (M16 x 2) x BSPP Male - Hydraulic Test Adaptor · Available in all sizes from 1/4" - 1/2" For size selection, please choose the size of end 1 (the smaller size) and then choose the size of end 2 (equal size OR larger size) Material: Premium Zinc Plated Carbon Steel (Cr3 Electroplated - Silver) Corrosion Resistance: 500 hours to red rust in standard salt spray test , versus the required minimum of 144 hours as per SAE J516 (ISO 9227 method) Thread: BSPT Taper and BSPP Parallel - 60° Cone Seat Geometry: Straight.
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