Timco Machine Screws - Countersunk - PH - Metric Thread - B Point - Zinc M5 x 20 - 500 Pieces Measuring & Marking 4 pH (in-use): 7

4 pH (in-use): 7

It restores heating efficiency and eliminates boiler noise

Removable & adjustable non-expansion through fixing

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The Pro 86 series meets high criteria for carrying out professional heating tasks

Timco Machine Screws - Countersunk - PH - Metric Thread - B Point - Zinc M5 x 20 - 500 Pieces Measuring & Marking 4 pH (in-use): 7Description Timco Machine Screws Countersunk PH Metric Thread B Point Zinc M5 x 20 500 Pieces product description: A countersunk metric threaded machine screw used for fastening handles or espagnolettes into pre defined holes in frames. Product manual Timco Machine Screws Countersunk PH Metric Thread B Point Zinc M5 x 20 500 Pieces product specifications Product video