Basic Information

OEM Part Number: 21670
Product Name: Hex Head Bolt
Applicable Models: Cummins K19, K38, NT855 / NTA855 diesel generator and industrial engines
Function: Standard engine fastening bolt for assembly fixing, OEM direct replacement fastener

Exact Size & Weight Specifications

  1. Single net weight: 42g
  2. Thread specification: M12
  3. Total bolt length: 65mm
  4. Hexagon head width: 19mm
  5. Thread length: 48mm
  6. Single package gross weight: 46g
  7. Package dimension: 70×22×22mm

Material & Features

High-strength quenched alloy steel with anti-rust surface treatment. Excellent tensile strength, anti-loosening and heat resistance under high engine vibration. Strict OEM standard size, perfect matching for engine assembly without machining.

Compatibility

Suitable for Cummins K19, K38, NT855 series generator sets, marine engines and construction machinery during overhaul and assembly maintenance.

Package Contents

5 x 216701 Hex Head Bolt, independent sealed anti-rust package