ASME B94.54:1999 pdf free download

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ASME B94.54:1999 pdf free download

ASME B94.54:1999 pdf free download.SPECIFICATIONS FOR HOLE SAWS, HOLE SAN ARBORS, AND HOLE SAW ACCESSORIES.
3.12 Classification of Type
(a) Type I hole saws shall be designed with a threaded hole in the cap into which a scparatc arbor may be attached.
(b) Type II hole saws shall ha’e an integral arbor permanenhly attached.
3.1.3 Classification by Composition
(a) High.speed steel hole saws shall be dcsigncd with teeth formed in high-speed steel (see Section 2).
(b) Carbide-tipped hole saws shall be designed to have culling edges formed of carbide,
(c) Grit-edge hole saws shall be designed with metallic or other abrasive grit bonded to the culling edges in addition to, or instead of. formed teeth.
3.2 Limitations of Sizes
3.2.1 Chart of Standard Sizes. All holc saws covered by this Siaudrd shall contorm to dimensions shown in Table I for the size specified.
3.2.2 Nonstandard Sizes. Sizes and dimensions not shown in Table I shall be construed to he the special purpose.
3.3 Elements of the Hole Saw Blade
Figure I shows the configuration of the blade. It shows the cutting edge. thickness, body. gullet, tooth. side, and back edge.
4.1 Hole Saw Design
4.1.1 Blade and Cap Design. The hole saw shall consist of a high-speed steel tooth cutting edge blade in combination with a cap thai will accept standard arbors as noted in para. 5.1 (except as specified in para. 4.1.5). Core removal holes or slots shall be provided in the blade body. The blades shall be permanently attached to thc cap. Tooth set shall be sufficient to prevent body binding.
4.1.2 Heat Treatment. A composite hole saw blade consists of a high-speed steel cutting edge welded to an alloy steel back. The body, after heat treatment, shall not be harder than 52 Rockwell C (HRC).
4.1.3 Finish. Saws shall have a protective coating to prevent corrosion.
4.1.4 Screw Threads. Screw threads on hole saws shall conform to NBS 1128, Screw Thread Standards for Federal Services, unless otherwise specified.