Client Spotlight: Helix Linear Technologies

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23200 Commerce Park, Beachwood, OH, 44122

Toll Free: 216-485-2232

Local Phone: 216-485-2232

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© 2026 Helix Linear Technologies

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CAD Specifications Catalog Videos Accessories

Dimensions Lead

Turns per inch of Travel (in)3.003003003

Lead (in)0.333

Nominal Diameter - A (in)0.25

Pitch (in)0.08325

Pitch (mm)2.11455

Material & Finish

MaterialHelital

Performance & Tolerances

Starts4

Measurement systemImperial

Product Info

Nut CodeATA

Anti-Backlash Nut Life with H10X Coating (in)150-200 Million

Anti-Backlash Nut Life without H10X Coating (in)40 to 60 Million

Connection TypeThreaded

D - Thread Size (in)9/16"-18 UNF

Diameter Code25.00

Dynamic Load Capacity (lb)75.00

E - Thread Length (in)0.25

Efficiency (%)81.92273777, 52.53537095

F - Hex Across Flats (in)0.625

Flange Part No - RoundHF25

Flange Weight (lb)0.02

G - Hex Thickness (in)0.18

Mating Screw Part No025333L, 025333R

Maximum Axial Lash (in)FALSE

Nut Diameter B (in)0.563

Nut Length C (in)1.1

Nut TypeAxial Anti-Backlash Nut with mounting threads

Nut Weight (lb)0.02

Standard Operating Temperature Range (F°)32-200

Torque to Raise 1 lb (in-lb)0.0646933898, 0.0189342604

Thread Details

Threads per Inch12.01201201

Thread DirectionLH, RH

Thread Class3C

Thread TypeStub

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0.25 in Diameter x 0.333 in Lead Threaded Axial Anti-backlash Nut (ATA)

ATA025333

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Lead Screw Calculator

Torque, speed & efficiency

Printable specs & data

0.112 in Diameter x 0.021 in Lead Rounded Threaded Axial Anti-backlash Nut (ATA)

0.112 in Diameter x 0.021 in Lead Rounded Threaded Axial Anti-backlash Nut (ATA)

Price: $52.81

0.125 in Diameter x 0.25 in Lead Threaded Axial Anti-backlash Nut (ATA)

0.125 in Diameter x 0.25 in Lead Threaded Axial Anti-backlash Nut (ATA)

Price: $52.81

0.125 in Diameter x 0.024 in Lead Threaded Axial Anti-backlash Nut (ATA)

0.125 in Diameter x 0.024 in Lead Threaded Axial Anti-backlash Nut (ATA)

Price: $52.81

0.125 in Diameter x 0.025 in Lead Threaded Axial Anti-backlash Nut (ATA)

0.125 in Diameter x 0.025 in Lead Threaded Axial Anti-backlash Nut (ATA)

Price: $52.81

0.188 in Diameter x 0.096 in Lead Threaded Axial Anti-backlash Nut (ATA)

0.188 in Diameter x 0.096 in Lead Threaded Axial Anti-backlash Nut (ATA)

Price: $52.81

5.999 mm Diameter x 6 mm Lead Threaded Axial Anti-backlash Nut (ATA)

5.999 mm Diameter x 6 mm Lead Threaded Axial Anti-backlash Nut (ATA)

Price: $64.54

0.25 in Diameter x 0.079 in Lead Threaded Axial Anti-backlash Nut (ATA)

0.25 in Diameter x 0.079 in Lead Threaded Axial Anti-backlash Nut (ATA)

Price: $64.54

0.313 in Diameter x 0.5 in Lead Threaded Axial Anti-backlash Nut (ATA)

0.313 in Diameter x 0.5 in Lead Threaded Axial Anti-backlash Nut (ATA)

Price: $64.54

0.5 in Diameter x 0.25 in Lead Threaded Axial Anti-backlash Nut (ATA)

0.5 in Diameter x 0.25 in Lead Threaded Axial Anti-backlash Nut (ATA)

Price: $77.60

14mm Diameter x 70mm Lead - Threaded Axial Anti-backlash Nut (ATA)

14mm Diameter x 70mm Lead - Threaded Axial Anti-backlash Nut (ATA)

Price: $77.60

0.5 in Diameter x 0.8 in Lead Threaded Axial Anti-backlash Nut (ATA)

0.5 in Diameter x 0.8 in Lead Threaded Axial Anti-backlash Nut (ATA)

Price: $77.60

14 mm Diameter x 4 mm Lead Threaded Axial Anti-backlash Nut (ATA)

14 mm Diameter x 4 mm Lead Threaded Axial Anti-backlash Nut (ATA)

Price: $77.60

0.375 in Diameter x 0.063 in Lead Threaded Axial Anti-backlash Nut (ATA)

0.375 in Diameter x 0.063 in Lead Threaded Axial Anti-backlash Nut (ATA)

Price: $79.12

0.375 in Diameter x 0.375 in Lead Threaded Axial Anti-backlash Nut (ATA)

0.375 in Diameter x 0.375 in Lead Threaded Axial Anti-backlash Nut (ATA)

Price: $79.12

0.375 in Diameter x 0.05 in Lead Threaded Axial Anti-backlash Nut (ATA)

0.375 in Diameter x 0.05 in Lead Threaded Axial Anti-backlash Nut (ATA)

Price: $79.12

10 mm Diameter x 12.7 mm Lead Threaded Axial Anti-backlash Nut (ATA)

10 mm Diameter x 12.7 mm Lead Threaded Axial Anti-backlash Nut (ATA)

Price: $79.12

0.375 in Diameter x 0.125 in Lead Threaded Axial Anti-backlash Nut (ATA)

0.375 in Diameter x 0.125 in Lead Threaded Axial Anti-backlash Nut (ATA)

Price: $79.12

10 mm Diameter x 4 mm Lead Threaded Axial Anti-backlash Nut (ATA)

10 mm Diameter x 4 mm Lead Threaded Axial Anti-backlash Nut (ATA)

Price: $79.12

11.999 mm Diameter x 2 mm Lead Threaded Axial Anti-backlash Nut (ATA)

11.999 mm Diameter x 2 mm Lead Threaded Axial Anti-backlash Nut (ATA)

Price: $79.12

11.999 mm Diameter x 6 mm Lead Threaded Axial Anti-backlash Nut (ATA)

11.999 mm Diameter x 6 mm Lead Threaded Axial Anti-backlash Nut (ATA)

Price: $79.12

Lead Screw Calculator

Torque, speed & efficiency

Printable specs & data

Home
Lead Screws
ATA

Thread Direction

Price: $64.54

Dimensions Lead

Turns per inch of Travel (in)3.003003003

Lead (in)0.333

Nominal Diameter - A (in)0.25

Pitch (in)0.08325

Pitch (mm)2.11455

Material & Finish

MaterialHelital

Performance & Tolerances

Starts4

Measurement systemImperial

Product Info

Nut CodeATA

Anti-Backlash Nut Life with H10X Coating (in)150-200 Million

Anti-Backlash Nut Life without H10X Coating (in)40 to 60 Million

Connection TypeThreaded

D - Thread Size (in)9/16"-18 UNF

Diameter Code25.00

Dynamic Load Capacity (lb)75.00

E - Thread Length (in)0.25

Efficiency (%)81.92273777, 52.53537095

F - Hex Across Flats (in)0.625

Flange Part No - RoundHF25

Flange Weight (lb)0.02

G - Hex Thickness (in)0.18

Mating Screw Part No025333L, 025333R

Maximum Axial Lash (in)FALSE

Nut Diameter B (in)0.563

Nut Length C (in)1.1

Nut TypeAxial Anti-Backlash Nut with mounting threads

Nut Weight (lb)0.02

Standard Operating Temperature Range (F°)32-200

Torque to Raise 1 lb (in-lb)0.0646933898, 0.0189342604

Thread Details

Threads per Inch12.01201201

Thread DirectionLH, RH

Thread Class3C

Thread TypeStub