Viti a pollice in acciaio zigrinato testa piatta zincato M3/4/5/6/8/10 giro manuale GB835
Standard: GB835. Model: Knurled Thumb Screws Hand Turn. ※ For example: M3 x 6. Countersunk screws : length includes head. Round head/cup head screw : The length does not include the head. Head Style : Flat Head.