... -4.8,as required DIN Standard fastener-phil bugle head fine/coarse thread drywall screw1) Standard: DIN, ANSI, ISO, GB2) ... ) Length: 16-152mm, as required5) Slot: phil6) Head: bugle7) Thread: fine/coarse thread8) Point: sharp point9) Finish: plain, zinc, black phosphated ... 1701-1702, Guomao Mansion,700 Yangming West Rd, Yuyao, Zhejiang,China Tel:86-0574-6285 6895/6897, Fax:86-0574-62856896website ...