Zero-Point System Pull Studs Made of Hardened Stainless Steel. Including three kinds of 4 series pull studs, Zero point pull Studs for position X-Y direction,Timing Pull Studs serves to compensate for the remaining free axis. and Clearance pull Studs for holding and clamping. Zero Point pull Stud unit:mm Order No. Model D1 D2 D3 D4 H1 H2 772-21-101 S200P25V1 14 H3 For clamping Module 20 6.6 11 5 22 4.5 S200P85V1 772-21-201 S200P30V1 20 29.5 11 17 5 38 7 S200P120V1 772-21-301 S200P35V1 24 35 13 19 7 38 8 S200P160V1 772-21-401 S200P40V1 28 40 15 21 8 38 9 S200P195V1 Timing pull Stud unit:mm Order No. Model D1 D2 D3 D4 H1 H2 H3 For clamping Module 772-22-101 S200P25V2 14 20 6.6 11 5 22 4.5 S200P85V1 772-22-201 S200P30V2 20 29.5 11 17 5 38 7 S200P120V1 772-22-301 S200P35V2 24 35 13 19 7 38 8 S200P160V1 772-22-401 S200P40V2 28 40 15 21 8 38 9 S200P195V1 Clearance pull Stud 03 unit:mm Order No. Model D1 D2 D3 D4 H1 H2 H3 For clamping Module 772-23101 S200P25V3 14 20 6.6 11 5 22 4.5 S200P85V1 772-23-201 S200P30V3 20 29.5 11 17 5 38 7 S200P120V1 772-23-301 S200P35V3 24 35 13 19 7 38 8 S200P160V1 772-23-401 S200P40V3 28 40 15 21 8 38 9 S200P195V1