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Economical, commonly used worms that have broad utility. Ready-to-use finished products from the J Series are also available.
Unit of Measure

Specifications

Gear Type

N/A Worm Gears

Construction

N/A Carbon Steel Worms

Bore Type

N/A Finished

Number of Start

N/A 1

Nominal Lead Angle

N/A 3°55'

Hand of Thread

N/A Left Hand

Module

N/A 3

Shape

N/A W1K

Precision Grade

N/A KHK W 001 grade 4

Reference Section of Gear

N/A Normal Plane

Gear Teeth Type

N/A Standard Full Depth

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 coated except for ground part

Weight

N/A 0.58 kg1.279 lb

Dimensions

Bore (L)

N/A 0.748 in19 mm

Hub Diameter (B)

N/A 1.378 in35 mm

Pitch Diameter (N)

N/A 1.732 in44 mm

Outer Diameter (O)

N/A 1.969 in50 mm

Face Width (E)

N/A 1.969 in50 mm

Hub Width (Q)

N/A 0.787 in20 mm

Total Length (R)

N/A 2.756 in70 mm

Keyway (W x D)

N/A 0.236 x 0.11 in6 x 2.8 mm

Set Screw Size

N/A M5

Set Screw Offset (S)

N/A 0.394 in10 mm