Feed mouth dimension 1 die-casting ? 88 matter distribution, water distribution should be used when burning method, unilateral left margin 0.1~0.15MM, water jacket around the avoidance of unilateral 0.3MM,101.6 in conjunction with framed this size to zoom 0.1~ 0.2MM, 

other size single 0.05MM gap. 2 deep 2MM longer than screws countersunk head screws countersunk head. Screw hole key clearance ? 8, unilateral 0.5MM, f 8 or more unilateral 1.0MM, screw locks into the effective depth of 1.5 times the diameter of the screw.