This standard specifies the product classification and requirements of cross-recessed screwdrivers. This standard applies to cross-recessed screwdrivers, but does not include cross-recessed screwdrivers for live working (hereinafter referred to as "screwdrivers"). QB/T 2564.5-2002 Screwdrivers Cross-recessed screwdrivers QB/T2564.5-2002 Standard download decompression password: www.bzxz.net

FCS 25. 140.30
Classification number: 147
Registration number: 10865-2002
Light Industry Standard of the People's Republic of China
OB/T2564.5-2002
Replaces QB/T356M1999
Screwdrivers
Cross slot screwdrivers
Serevdrivers-Screwdriver for cross-recessed head serews(Is0 8764-2: 1999. Assembly tools for screws and nuts-Surewdriverg fior cross-rcessed hcad screws—Part 2:General reguircments, lengths of bladea and marking ofhand-operated screwdrivers, MOD) 2002-09-21 issued
State Economic and Trade Commission of the People's Republic of China 2002-12-01 implementation
OB/T2564.5-2002
This standard is the revision of the original national standard GB/T10640-1989 cross-end marking (the language standard was issued by the mother light (1999] No. 12 document and the conversion standard number is QB/13864-1999, the internal wear remains unchanged). This standard corresponds to the ten international standards 1508764-2:1992 & Screws and nut assembly tools-1 slotted screwdrivers-Part 2:
Three states warm nail release words and technical conditions, screw rod length and standard (English version), this standard and [S08T4-2:19 consistency is practical, the difference is as follows: - The expression of international standards is the expression of Chinese standards: This standard does not affect the technical requirements of 150R7642:1992, and the national standards have been modified as follows: Compared with QB/13804-199, this standard has the following major changes: The production method has been simplified (see 3.2.3); Some products have been equipped with six parts (see 3.2.3); Some parts have been adjusted with the rate. This standard is issued by the China National Hardware Standardization Center. This standard is under the jurisdiction of the National Hardware Standardization Center, and the Shanghai Industrial Research Institute is responsible for the replacement of this standard by Ningbo Yixu Industry Co., Ltd. The original person in charge is Lin Meide, Han Shoukang, and the right person. From the date of implementation, this standard will replace the original national light industry standard (T3864-1 "1 word Yanjing" QB/T 2564.5—2002
1 Scope
Screwdrivers
This standard specifies the product classification and content of screwdrivers: This standard specifies cross-end screwdrivers for use with live working equipment, but does not include cross-end screwdrivers for use with live working equipment (hereinafter referred to as "cross-end screwdrivers"). Normative references
The clauses in the following documents become clauses of this standard through reference in this standard. For any document cited in the past, all subsequent amendments (excluding the contents of the warranty) or revisions are not applicable to this standard. However, all parties are encouraged to discuss whether the latest version of this document can be used based on this standard. If not! The referenced documents with date and non-latest version are applicable to this standard: GB3103. GB3104 Standard width of opposite sides of screws, nails and instantaneous fixings GB3104 Standard width of opposite sides of products for mutual fixing of fixings GD.T10635-2003 Standard for general technical specifications for screw heads QB/T2564.1 Names and terms of screwdrivers Cross screw tools QB/T2564.3 3 Product classification S.1 Types According to the assembly method of the rod and the handle, screwdrivers can be divided into two types: general type (indicated by P) and safety type (indicated by C). 3.2 Types The types of screwdrivers are shown in Figure 1.
Changeable center type
Figure 1 Tool type
3.3 Basic dimensions
3.3.1 The dimensions of the screwdriver shall be in accordance with the provisions of B/T2564.3. 3.3.2 The degree of rotation of the tool shall be determined in accordance with Table 1. Table 1 Length of the screw rod
A series
25 ±355
Note: The brackets are only for non-preferred ones
25 435)
QB/T 2554.5-2002
Sanitary series
75 (80)
3.3.32 For the above-mentioned counties, an additional angular force part can be provided near the insertion position of the rotating rod (see Figure 2). The length of the angular force part shall be selected according to the provisions of GB3104. Its flange shall be in accordance with the provisions of GB3103.1. The thickness of the hexagonal force part shall be (method,
...0.5s
The minimum buoyancy of the actual force part:
This width, m
Figure 2 The force part of the tool
3.4 ​​Marking example
Product marking: Product name, pole number, rotating rod length, type The code is known as the standard code. The six-pointed power tool of the tower should be distinguished by the number H. Example 1: The type of screw is No. 2, and the length of the screw is 100m. The mark is: Ten screw 2109PT251.522
2: The production number is:, the density is 150T, and the six-pointed tool should be ten screw 3152 center 11QB2564,5-2022bZxz.net
QB/T2564.5-2002
4 Requirements
The technical requirements of the screw are in accordance with the provisions of GB/T10635-2003.
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