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Compared to SM miters, these are stronger and less abrasive, and allow secondary operations.
Unit of Measure

Specifications

Gear Type

N/A Miter Gears

Construction

N/A Carbon Steel Miter Gears

Bore Type

N/A Plain

Gear Ratio

N/A 1

Module

N/A 4

No. of Teeth

N/A 20

Shape

N/A B3

Precision Grade

N/A JIS B 1704:1978 grade 4

Gear Teeth Type

N/A Gleason

Heat Treatment

N/A Carburizing

Bending Strength

N/A 121 N·m12.3 kgf·m

Surface Durability

N/A 81.2 N·m8.28 kgf·m

Backlash

N/A 0.0047-0.0106 in0.12-0.27 mm

Material

N/A SCM415 (AISI 4115) Alloy Steel

Tooth Hardness

N/A HRC 55-60

Surface Treatment

N/A Black oxide coating

Weight

N/A 0.93 kg2.050 lb

Dimensions

Bore (A)

N/A 0.787 in20 mm

Hub Diameter (B)

N/A 2.559 in65 mm

Pitch Diameter (C)

N/A 3.150 in80 mm

Outer Diameter (D)

N/A 3.372 in85.66 mm

Mounting Distance (E)

N/A 2.559 in65 mm

Total Length (F)

N/A 1.555 in39.49 mm

Hub Width (H)

N/A 0.689 in17.5 mm

Length Of Bore (I)

N/A 1.378 in35 mm

Face Width (J)

N/A 0.787 in18 mm

Holding Surface Diameter (K)

N/A 1.933 in49.09 mm

Length from Crown to Back

N/A 1.096 in27.83 mm

Pressure Angle

N/A 20 º