To be used on cutting edges and end bits in conjunction with No. 3 head plow bolts (Ref. ANSI B18.9) typically used on off-road self-propelled work machines as described in SAE J1116.
Cutting edges are further defined in SAE J737, J739 and J1304.
End bits are further defined in SAE J63.
1
When section thickness exceeds A in drawing 1 (Figure 2) (countersunk one side) or B in drawing 4 (countersunk both sides), use counterbore with diameter D, as shown in cross section drawings 2, 5 and 6, or extended countersink C, as shown in cross section drawings 3 and 7.
2
The inscribed circle of the square holes shall be concentric with countersink or counterbore within 0.03 in (0.8 mm).
Rationale
The technical report covers technology, products, or processes which are mature and not likely to change in the foreseeable future.
MTC1 addresses standards related to machines, components, and systems specific to earth-moving machinery as described in ISO 6165. This committee reports to ConAg Council through MTC. ConAg Council covers cranes defined in ISO 4301 and machines described in SAE J1116 which include machines defined in ISO 6165, ISO 6814, and ISO 22242, with regards to activities supporting; • Creating consensus SAE standards, recommended practices, and information reports • Harmonizing relevant SAE documents with ISO documents • Assisting the US with the creation and maintenance of ISO standards through US TAGs o ISO/TC 127 --- Earth-moving machinery o ISO/TC 195 --- Building construction machinery and equipment o ISO/TC 23/SC 15 --- Machinery for forestry Participants in this committee include OEMs, suppliers, consulting firms, government, and others across the construction and forestry industries.
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J740_201110
Countersunk Square Holes for Cutting Edges and End Bits
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Countersunk Square Holes for Cutting Edges and End Bits
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