... specification payment TT/LC/paypal delivery time 10-15 daysInspection:For precision measuring we would recommend the use of Digital Vernier ... Gauge to measure thread pitch.Products Types1.Head Type:Round,Pan,Hex,Flat,Button,Truss,Oval,Binding,Chese,Fillister,etc. ... Torx, Spline Drive, etcProfessional as one of the leading titanium pan head bolt manufacturers, Titanium Industry is also well-known among ...