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inch |
①,Edge of head may be rounded or flat. ②,Short machine screws include nominal lengths up to and including 1 1/8 in. for sizes No.5 and smaller, and 2 in. for sizes No.6 and larger. ③,Short tapping screws are those threaded full length. Refer to para. 4.3 for applicable screw lengths. ④,Size 14 is for tapping screws only. ⑤,Maximum diameter shall not exceed minimum plus 0.011 in. for Type A tapping screws, and basic screw diameter for all other tapping screw types. |