Specifies the dimensions of 100° reduced countersunk head screws with internal offset cruciform ribbed or unribbed drive, close or normal shank, short or medium length MJ threads, in metallic material, coated or uncoated, with strength classes less than or equal to 1 100 MPa.
Số hiệu tiêu chuẩn
ISO 13921
Tên tiêu chuẩn
Aerospace - Screws, 100° reduced countersunk head, internal offset cruciform ribbed or unribbed drive, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 MPa - Dimensions
Ngày phát hành
1996-08-00
Tiêu chuẩn tương đương
BS A 311 (1997-03-15), IDT * CSN ISO 13921 (1999-07-01), IDT
Thay thế cho
ISO/DIS 13921 (1994-10)
Thay thế bằng
ISO 13921 (2008-08)
Từ khóa
Aerospace transport * Air transport * Countersunk head screws * Dimensional tolerances * Dimensions * Locking and locating devices * Screws (bolts) * Space transport * Torq-set recesses