This standard specifies hexagonal flange self-drilling and self-tapping screws with thread specifications of ST2.9 to ST6.3. GB/T 15856.5-2002 Hexagonal flange self-drilling and self-tapping screws GB/T15856.5-2002 Standard download decompression password: www.bzxz.net

jcs 21,c60.10
National Standard of the People's Republic of China
Self-drilling and self-tapping screws
Drilling srrews with tapping screw thread2002-12-05 Issued
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
2003-06-01 Implementation
GH/T15856.52002
This standard is equivalent to the international standard 19) 15480:199 Angle head self-drilling self-tapping screw 2 This standard is one of the national standard "self-needling self-tapping screw" production and demand series, the series includes, "cross cotton pan head self-drilling white tapping screw"
a) GB/T15856.12332
b)GB/T1E856.2—2002
Cross ground head self-adhesive nail
c) GB/T 15856.32003
Single countersunk drill
) /T 15H56G 4—2002
Six-head flange self-drilling and self-tapping screws
Hexagon flange self-drilling and self-tapping screws
p)(GB:T1E356.52092
18):54 This standard specifies the technical requirements for packaging. The standard is not specified in Table 2IS015480). This standard follows the simplified principle of G3/T1237 and gives simplified instructions. (2 items). This standard is provided by the China Machinery Federation. This standard is promoted by the National Standardization Technical Committee. The responsible unit of this standard is the China Academy of Mechanical Science, and the participating unit of this standard is Ningbo Zhongjing Special Hardware Co., Ltd. 18
National Standard of the People's Republic of China
Hexagon flange self-drilling and self-tapping screws
Hexagon waaber bead drilling screwswith1appingscrewthreadwww.bzxz.net
CE/115856.5—2002
eqvJ8015480:1999
The standard specifies six-thread convex seam self-tapping screws with thermal pattern specifications of 5T2.9--5T6.3. 2 Reference standards
The following standards contain the following records, which are cited in this standard and constitute the provisions of this standard. When this standard is revised, the ones shown in the original are valid: All Standards may be revised: Parties using this standard shall discuss the following new versions of the standard. GB/T00.1-239 Acceptance criteria for hardware (idt1S0326,2(500) G/T90.2-212 Marking and packaging of exposed parts GB/T1237-2300 Hardware notation (gR) S058.12002 Self-drilling and self-collecting nails for mechanical parts (dt1S010666:1S99) GB/T 31R3. _—20H
Fastener tolerances Smoke control, frequency, screw frequency nut S47-:00GT/T 5267.-
Fastener electroplating layer (1S4147::939.TGB/T528C2002
Self-tapping screw (idt150) [478:1999) GK/T 5285—1985
Hexagon head self-tapping screw (e150_479:1983) GB/T 16824.1—1997
3 size
Beijing corner edge self-tapping frequency etIS07053,15u2
! Ministry of energy work 211
The General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China approved on 2002-12-05 2303-06-01 implementation
Chaila grid
Nominal one k
Enterprise shortage— Trlax
Station system with use
GB/I ​​15856.5—2002
Size call
The most to grams of screws to sell the car
Three, E
27, 5
3) The product is different from the 1m5 specified in GBT56. BT824.6 is charged with self-assembly and learning! It has been used in the world, so the industry has been shocked.) The high-strength
5 is used to increase the certification of the long minister. It is necessary to add the same thickness of the layer to the board to make the two sweeps to the point of the meat of the bearing surface
4 Technical cases and reference standards
and a work
surface to take
acceptance and installation
5 marking
5.1 The marking method shall be in accordance with GB/T125?.
5.2 Calibration example
GB/T 15856.5—2002
table? Technical parts and reference standards Product grade Uncorrected surface: GE/T 309n.1: GH: T 52JG G3/T 309F.11 GR/T 3103.1 Output standard GB/T3267.1 GE/T 63.1, C3/T DC, 3 Thread size S13.5, nominal length 1=16mm. Marking of zinc-coated hexagonal tapping screw, from government post B/15856.S13.5×16
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