For attaching internal flooring sheets and planks to timber joints. CE Standard Web BS EN 14592:2008 Corrosion Rating 1 - Clean, dry & low humidity environments Description For attaching internal flooring sheets and planks to timber joints. Driver Bit Size SQ2 Finish Zinc & Yellow Head Dia. mm 8.23 Head Type Countersunk with Ribs Inner Thread Dia. mm 2.75 Length inch 2 Length mm 55 Lubrication Wax Material Carbon Steel Pack Dimensions L x W x H mm 562 x 122 x 66 Pack Weight kg 3.940 Point Type Single Slash Product Code 00055COLLF Recess Type Square Screws Per Strip 50 Size imp. 8 x 2 Size mm 4.2 x 55 Substrates Softwood Thread Dia. mm 4.2 Thread Length mm 37 Thread Type Reverse