Precision Lock Nut - SR Series (0.002mm) Radial Locking

SR Precision Locknut - Radial Locking   The series locknut is designed for special area in where space is limited. The locknut setscrews intersect at a 90° angle which drives the locking brass to stick perfectly on the shaft’s thread flank. No thrust washer or keyway needed. Easy to assemble and disassemble. Can be re-used if handled properly. The connecting face and thread area are all produced by high precision grinding process. ‧Material：JIS SCM440/DIN42CrMo4/AISI 4140 ‧Hardness：HRC 28-32 ‧Precision：ISO 4H ‧Thread Run-out with Axial：0.002 mm NIKKI Product Spec: TYPE & Pitch Dimensions Screw Screw Torque D  h g t d DIN MAX kg-cm SR8X0.75P 16 8 3 2 11 M4 22 SR10X0.75P 18 13 SR12X1.0P 22 18 SR15X1.0P 25 21 SR17X1.0P 28 10 4 23 M5 48 SR20X1.0P 32 27 SR20X1.5P SR25X1.5P 38 12 5 33 M6 80 SR30X1.5P 45 40 SR35X1.5P 52 47 SR40X1.5P 58 14 6 2.5 52 SR45X1.5P 65 59 SR50X1.5P 70 64 SR55X2.0P 75 16 7 3 68 SR60X2.0P 80 73 SR65X2.0P 85 78 SR70X2.0P 92 18 8 3.5 85 M8 190 SR75X2.0P 98 90 SR80X2.0P 105 95 SR85X2.0P 110 102 SR90X2.0P 120 20 10 4 108 SR95X2.0P 125 113 SR100X2.0P 130 120 SR105X2.0P 140 22 12 5 126 M10 360 SR110X2.0P 145 133 SR115X2.0P 150 137 SR120X2.0P 155 24 138 SR125X2.0P 160 148 SR130X2.0P 165 149 SR135X2.0P 175 26 14 6 160 M12 600 SR140X2.0P 180 SR145X2.0P 190 172 SR150X2.0P 195 171 SR155X3.0P 200 28 16 7 182 SR160X3.0P 210 SR165X3.0P 210 193 SR170X3.0P 220 SR180X3.0P 230 30 18 8 203 SR190X3.0P 240 214 SR200X3.0P 250 32 226 Remark ‧When ordering above products, please refer to the TYPE & Pitch. ‧To prevent above locknuts are in short supply, please send your order in advance.