CHUCK JAW T-NUTS for 12 inch CHUCKS (set of 3 including 6 screws)

CHUCK JAW T-NUTS for 12" Size Chucks with 1.5x60 deg serrated jaws including fasteners. Suitable for:  Kitagawa - B-212,  Sam Chully HS-12, Strong N212                      and equivalent dimensioned chuck jaws DIMENSIONS & SPECIFICATIONS: A :  slot width        - 21mm      / 0.827 in C:  hole spacing   - 30mm     / 1.181 in D:  thread size      -  M16-2 E:  key height       -  16.25mm / 0.640 in F:  T-height          -  11.5 mm   / 0.453 in G:  T-width           -  29.5 mm / 1.161 in H:  total height     -  27.8 mm / 1.094 in Weight:  1.5 lb (including screws, shipping weight) Screws: M16-2 x 40 mm Long MATERIAL: Hardened Steel