Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Whittet-Higgins PT-01 Precision Locknut – 0.469-32 thread, 0.812in OD
Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
    Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
    Whittet-Higgins PT-01 Precision Locknut – 0.469-32 thread, 0.812in OD
    Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
    Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
    Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
    Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Whittet-Higgins PT-01 Precision Locknut – 0.469-32 thread, 0.812in OD
Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Whittet-Higgins PT-01 Precision Locknut – 0.469-32 thread, 0.812in OD
Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
    Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
    Whittet-Higgins PT-01 Precision Locknut – 0.469-32 thread, 0.812in OD
    Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
    Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
    Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
    Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Whittet-Higgins PT-01 Precision Locknut – 0.469-32 thread, 0.812in OD
Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Whittet-Higgins PT-14 Precision Locknut – 2.751-18 thread, 3.344in OD
Authorized Retailer Made in the USA Top Rated

Whittet Higgins PT-01 Precision Retaining Nut -Small Profile, Space-Saving Design

Brand: Whittet-Higgins
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Whittet-Higgins

Whittet-Higgins

Whittet-Higgins specializes in high-quality bearing retention and shaft-locking products used in demanding industrial applications. Its core product range includes precision locknuts, lockwashers, adapter and withdrawal sleeves, shaft nuts, and related installation tools designed to securely position bearings and rotating components. The company offers both inch and metric options, including heavy-duty and corrosion-resistant designs for power transmission, machinery, and other industrial equipment.

Key Features

  • Carbon steel construction
  • Small-profile, light-duty precision locknut with reduced diameter and thickness for limited spaces
  • Twice the locking positions of an NT locknut for tighter, more precise adjustment
  • Locked and retained by matching PWT and PWTF series lockwashers
  • Resists loosening from vibration, shock, and torque
  • Effective on both soft and hardened shafts
  • Installs with no special tools required
  • Maximum operating temperature 300 degrees F
  • Made in USA, RoHS compliant; meets and exceeds ANSI/ABMA 8.2-1999

Description

The Whittet-Higgins PT-01 is a small-profile precision locknut engineered for lighter axial-loading precision applications where space is limited. Its reduced outside diameter and thickness fit tight envelopes while delivering the most precise basic light-duty adjustment and setting available, with double the locking positions of an NT locknut for tighter, more repeatable bearing and power-transmission assembly setup.

The PT-01 is matched with PWT and PWTF series lockwashers, whose bent tab engages the nut to secure, lock, and retain bearings and power transmission components against loosening from vibration, shock, and torque. Machined from carbon steel and effective on both soft and hardened shafts, it installs with no special tools. Manufactured in the USA and RoHS compliant, it meets and exceeds the ANSI/ABMA 8.2-1999 specification.

Specifications

PT-01

SpecificationValue
SeriesWhittet-Higgins PT Series
Thread0.469-32
Nominal Thread Diameter0.469 in (11.91 mm)
Outside Diameter0.812 in (20.62 mm)
Face Diameter0.625 in (15.88 mm)
Width0.198 in (5.03 mm)
Theoretical Axial Holding Capacity3900 lbf
MaterialCarbon Steel
Used WithPWT & PWTF series lockwashers
StandardANSI/ABMA 8.2-1999
Weight (approx.)0.02 lb (9.072 g)
Country of OriginUSA

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