Số hiệu tiêu chuẩn
ISO 7721
Tên tiêu chuẩn
Countersunk head screws; Head configuration and gauging
Ngày phát hành
1983-09-00
Tiêu chuẩn tương đương
DIN EN 27721 (1992-02), IDT * DIN ISO 7721 (1985-05), IDT * DIN ISO 7721 (1981-09), IDT * NBN EN 27721 (1992), IDT * BS EN 27721 (1992-05-01), IDT * GB/T 5279 (1985), IDT * EN 27 721 (1992), IDT * EN 27721 (1991-10), IDT * prEN 27721 (1991-06), IDT * NF E25-018 (1983-05-01), IDT * NF E25-018 (1992-06-01), IDT * UNI EN 27721 (1992), IDT * JIS B 1013 (1994-02-01), IDT * OENORM EN 27721 (1992-05-01), IDT * OENORM EN 27721 (1991-08-01), IDT * OENORM ISO 7721 (1986-04-01), IDT * PN-EN 27721 (2014-11-05), IDT * PN-M-82251 (1993-05-21), IDT * SS-ISO 7721 (1986-02-15), IDT * SS-EN 27721 (1992-03-11), IDT * UNE-EN 27721 (1992-12-10), IDT * GOST R ISO 7721 (2011), IDT * TS 432-2 EN 27721 (2000-04-21), IDT * DS/ISO 7721 (1986), IDT * IST L 905 (1991), IDT * NEN-ISO 7721 (1992), IDT * NS-ISO 7721 (1992), IDT * SFS-EN 27721 (1992), IDT * STN EN 27721 (2001-07-01), IDT * CSN EN 27721 (1996-03-01), IDT * NEN-ISO 7721:1992 en (1992-02-01), IDT * SANS 1700-3-11:1996 * SABS 1700-3-11:1996 (1996-09-20), IDT
Từ khóa
Calibers * Countersunk fasteners * Countersunk head screws * Design * Dimensional measurement * Dimensions * Fasteners * Heads (fasteners) * Inspection * ISO metric threads * ISO screw threads * Mathematical calculations * Metric * Screws (bolts) * Self-tapping screws * Testing * Thread forms * Threads * Ring gauges * Templates * Gauges * Presentations * Training