The hacksaw model number for hand represents the number of teeth per 25mm length. Usually it is as follows:

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1) Sawtooth, the corresponding pitch is (0.8, 1mm); the number of teeth in the length of 25mm 24-32 teeth.

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2) Sawtooth, the corresponding tooth pitch is (1.2, 1.4mm); the number of teeth in the 25mm length is 18-22 teeth.

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3) Rough sawtooth, corresponding to a pitch of (1.8mm); 14-16 teeth in 25mm length.

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"Hand Steel Saw Blade" Introduction

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“Hand Hacksaw Blade” is a book published by China Standard Press.

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This standard and the international standard IS0 2336-1:19964 steel saw blade part l: hand saw blade size "(in English) consistency degree is not equivalent.

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This standard replaces GB/T l4764--19934 hand steel saw blades.

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Compared with GB/T l4764-1993, this standard mainly changes as follows:

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- Added terms and definitions (Chapter 3 of the 1993 edition, Chapter 3 of this edition);

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- Added product code Bi for alloy tool steel products and product code M and bimetal composite steel (5.2 in this edition);

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- Increased bending performance requirements and test methods for flexible hacksaw blades (6.5.2 and 7.5.2 in this edition);

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- deleted "Product Classification" (chapter 8 of the 1993 edition);

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- Revised the requirements for "Packaging, marking, transportation and storage" (Chapter 9 of the 1993 edition, Chapter 9 of this edition);

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Appendix A and Appendix B of this standard are informative annexes.

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This standard was proposed by China Light Industry Federation.