J740_198607: COUNTERSUNK SQUARE HOLES FOR CUTTING EDGES AND END BITS

Features

Issuing Committee: MTC1, Earthmoving Machinery

Scope

Content

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).

Meta Tags

Topics: Cutting
Agricultural vehicles and equipment
Bolts
Terminology
Documentation

Details

DOI: https://doi.org/10.4271/J740_198607

Pages: 3

Citation: SAE International Technical Standard, COUNTERSUNK SQUARE HOLES FOR CUTTING EDGES AND END BITS, SAE Standard J740_198607, Revised July 1986, Issued April 1958, https://doi.org/10.4271/J740_198607.

Additional Details