Lathe Chucks / Chuck Jaws Accessories for lathe chucks Design and use: - for turning of unhardened and grinding of hardened jaws - integrated drop-forged spiral ring - the ring moves 3 reversible setting jaws steplessly inwards or outwards - suited for internal grinding or regrinding of hardened top jaws to concentricity Jaw position Jaw position standard reversed 264500 Jaw turning fixture for three-jaw chucks Fixt. external/internal dmm 264500 Attach area  position Jmm Attach area  position A Weight Mainly for lathe chucksmmkgmm 153/110   50-115 150-215 1.6 125/200/250 176/110   35-125 170-260 3.4 125/200/250 215/135   70-140 215-285 5.0 125/200/250 244/162  100-175 240-315 5.7 250 290/208  145-215342/260160-270 290-360330-440 6.9 3158.5400 26 Design: - for cylindrical seats - the raw flange has to be machined and adapted to the machine as well as to the chuck end 264600 Raw flange Amm 264600 Chuck sizemm Inch B C D Emmmmmmmm 135  125  5  80 58 20 25 170  160     6 1/4  80 58 20 30 210  200  8  92 66 22 40 260  250 10 105 92 25 50 Design: - stud bolts and locknuts or stud bolts for Camlock - stud bolts and locknuts DIN 55027 or Camlock bolts DIN 55029 are strength class 8.8 DIN 267/3 Stud bolt and collar nut DIN 55027 Stud bolt for Camlock DIN 55029 264720 Stud bolt with collar nut 264740 Camlock bolt for taper 264720 Required quantityper set Thread size3lengthmm for taper 264740 Required quantityper set Thread size3lengthmm 4  3 M10 × 39 4  3 7/16-20 × 37.0 5  4 M10 × 43 5  6   1/2-20 × 43.0 6  4 M12 × 50 6  6   5/8-18 × 49.0 8  4 M16 × 60 8  6   3/4-16 × 55.5 11  6 M20 × 75 11  6   7/8-14 × 67.0 Use: For scroll chucks Lathe chuck Lathe chuck key safety key Cat. no. 264750 Cat. no. 264780 264750 Lathe chuck key 264780 Lathe chuck safety key with spring pin, standard length for chuck mm 264750 264780 264750 264780LLmmmmSquaremm for chuck mm 264750 264780 264750 264780LLmmmm Squaremm 80   62 110 6 250   100 160 12 100   75 130 8 315   110 200 14 125   80 130 9 350   140 200 14 140   80 130 9 400   140 250 17 160   90 160 10 500   150 250 19 200   100 160 11 630   150 250 19 www.precitool.de 26/551