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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 1

No. of teeth

N/A 30

Direction of Spiral

N/A Left Hand

Shape

N/A S1

Surface Durability

N/A 2.14 N·m0.22 kgf·m

Backlash

N/A 0.0039-0.0087 in0.10-0.22 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 0.17 kg0.375 lb

Dimensions

Bore (A)

N/A 0.394 in10 mm

Hub Diameter (B)

N/A 1.378 in35 mm

Pitch Diameter (C)

N/A 1.670 in42.43 mm

Outer Diameter (D)

N/A 1.749 in44.43 mm

Face Width (E)

N/A 0.394 in10 mm

Hub Width (F)

N/A 0.394 in10 mm

Total Length (G)

N/A 0.787 in20 mm