JSA - JIS B 1124
Drilling screws with tapping screw thread
Organization: | JSA |
Publication Date: | 20 December 2021 |
Status: | active |
Page Count: | 39 |
ICS Code (Bolts, screws, studs): | 21.060.10 |
scope:
This Standard specifies the characteristics of drilling screws with tapping screw threads, made of steel, with thread sizes ST2.9 to ST6.3.
It also specifies the characteristics of some drilling screws having profile, size and/or material not specified in the corresponding International Standards.
NOTE The International Standards corresponding to this Standard and the symbol of degree of correspondence are as follows.
ISO 15480 : 2019 Fasteners - Hexagon washer head drilling screws with tapping screw thread
ISO 15481 : 1999 Cross recessed pan head drilling screws with tapping screw thread
ISO 15482 : 1999 Cross recessed countersunk head drilling screws with tapping screw thread
ISO 15483 : 1999 Cross recessed raised countersunk head drilling screws with tapping screw thread (Overall evaluation : MOD)
In addition, symbols which denote the degree of correspondence in the contents between the relevant International Standards and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO/IEC Guide 21-1.