Inquiry (采购产品): metric form taps do you sell Carbide Form taps in standard and STI sizes. M2x4,M2x4STI, M3x5,M3x5STI,just to list a couple of the sizes we use. please let me know thank you ken kyers **** Hidden Message ***** ken myers 18936 Company: penn mfg inc. E-mail: kmyers@pennmfg.com **** Hidden Message ***** kmyers@pennmfg.com