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Popular screw gears. Additionally, gear tooth induction hardening secondary operations can be performed.
Unit of Measure

Specifications

Gear Type

N/A Screw Gears

Construction

N/A Carbon Steel Screw Gears

Bore Type

N/A Plain

Module

N/A 4

No. of teeth

N/A 13

Direction of Spiral

N/A Right Hand

Shape

N/A S1

Surface Durability

N/A 10.1 N·m1.03 kgf·m

Backlash

N/A 0.0071-0.015 in0.18-0.38 mm

Precision Grade

N/A JIS grade N9 (JIS B1702-1:1998)

Reference Section of Gear

N/A Normal Plane

Gear Teeth Type

N/A Standard Full Depth

Helix Angle

N/A 45 º

Pressure Angle

N/A 20 º

Material

N/A S45C (AISI 1045) Carbon Steel

Tooth Hardness

N/A (less than 194HB)

Surface Treatment

N/A Black oxide coating

Weight

N/A 1.32 kg2.910 lb

Dimensions

Bore (A)

N/A 0.787 in20 mm

Hub Diameter (B)

N/A 2.362 in60 mm

Pitch Diameter (C)

N/A 2.895 in73.54 mm

Outer Diameter (D)

N/A 3.210 in81.54 mm

Face Width (E)

N/A 1.181 in30 mm

Hub Width (F)

N/A 0.787 in20 mm

Total Length (G)

N/A 1.969 in50 mm