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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°52'

Hand of Thread

N/A Right Hand

Module

N/A 2.5

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 0.39 kg0.860 lb

Dimensions

Bore (L)

N/A 0.591 in15 mm

Hub Diameter (B)

N/A 1.181 in30 mm

Pitch Diameter (N)

N/A 1.457 in37 mm

Outer Diameter (O)

N/A 1.654 in42 mm

Face Width (E)

N/A 1.772 in45 mm

Hub Width (Q)

N/A 0.709 in18 mm

Total Length (R)

N/A 2.480 in63 mm

Keyway (W x D)

N/A 0.197 x 0.091 in5 x 2.3 mm

Set Screw Size

N/A M4

Set Screw Offset (S)

N/A 0.354 in9 mm