1B-4427 1/4″-20 Hex Lock Nut

Hex Head Nut

SKU: 1B-4427 Category:

Description

Cat® fastener parts are designed for specific applications based on size, strength, clamp load and past performance, information other manufacturers do not have. They are carefully selected to last until machine rebuild or end of life. Non-Cat hardware and fasteners may appear to fit your machine, but no one else knows your equipment the way we do.

Features

  • Cat fasteners are manufactured to precise specifications for durability, reliability and high efficiency
  • Strength and Quality – Fasteners meet or exceed ISO, ASTM, ASME and SAE requirements.
  • Cat bolts, nuts and washers are specifically designed to work together as a system to maximize clamping force.
  • Coating meets the special requirements of different applications (RoHS compliant).

Applications

Cat bolts form a high-performance system with mating hardened washers and nuts to produce consistent, high clamping force. You can trust Cat fasteners to help you build, maintain or rebuild in most machine and shop applications worldwide.

Specifications

MaterialAlloy Zinc
Thread Size (Diameter × Pitch)1/4×20 mm
Class or GradeSAE J995 Grade 5 (120 ksi)
Thread DirectionRH
Thread Size.250 mm (0.01 in)
CoatingZinc Electroplated
Material DescriptionISO Class 8 or SAE Grade 5 Equivalent
HardenedNone
Hole Thread Pitch20
ThreadCoarse Thread UNC
Drive Chain11.1125 mm (0.437 in)
Nut Width – 37/16 in
Thickness3.9375 mm (0.156 in)
Nut ModelHex Head Lock Nut
Thread Size (in – TPI)1/4 – 20 in

Compatible Equipment

  • Generator Sets: 3516C, G3516, 3406C, 3512B, 3512E, 3406B
  • Motor Graders: 3606, 120, 16
  • Track Loaders: 963, 824C
  • Engines: C32, C27, C175-16
  • Dozers: D4, D9R, D6N, D6T, D8N, D8R
  • Excavators: 3516B, 3512C, 3516E, 3508B
  • Wheel Loaders: 992C, 950, 834, 910
  • Off-Highway Trucks: 773

Additional information

Machine Model

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Part Source

Genuine OEM