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| ①,Point angle α shall be 45 deg. plus 5 deg., minus 0 deg. for screws of nominal lengths equal to or longer than those listed for variable Y, and 30 deg. minimum for screws of shorter nominal lengths. ②,Tolerance on radius for nominal sizes up to and including 5 (0.125 in.) shall be +0.015 in., -0.000 and for larger sizes, +0.031 in., -0.000. Slotted ends on screws may be flat at the option of the manufacturer. ③,When specifying nominal size in decimals, zeros preceding the decimal and in the fourth decimal place shall be omitted. |
