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Wellhead Grease Fittings, Lockscrew Series

Brand: Parker PGI
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Parker PGI's Lockscrew feature a tapered-nose design which actuates the packoff seals when tightened. 

Specifically designed for wellhead and tree applications, these lockscrews are machined high quality stems that allow for enhanced sealing and reduced operational torque. 

Standard Lockscrews are produced from AISI 4140 material and heat-treated to meet the requirements of ASTM A193 Grade B-7. 

Plating is Zinc.
Features
  • AISI 4140 material
  • Heat-treated
  • Precision Machined
Parker PGI's Lockscrew feature a tapered-nose design which actuates the packoff seals when tightened. 

Specifically designed for wellhead and tree applications, these lockscrews are machined high quality stems that allow for enhanced sealing and reduced operational torque. 

Standard Lockscrews are produced from AISI 4140 material and heat-treated to meet the requirements of ASTM A193 Grade B-7. 

Plating is Zinc.
Features
  • AISI 4140 material
  • Heat-treated
  • Precision Machined
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Specifications

Brand

Connection Thread Size

  • 1-1/8” 8 UN
  • 1-1/4” 8 UN
  • 1-1/2” 8 UN
  • 1-1/4” 12 UNF
  • 1-1/4” 7 UNC

Length

  • 6-3/4” - 13-1/2”

Body Size

  • 5-1/4” - 12-1/8”

Diameter

  • 13/16”
  • 7/8”
  • 1”
  • 1-1/8”

Wrench Size

  • 11/16”
  • 3/4”
  • 1”

Body Material

  • AISI 4140

Compatible Fitting

  • Packing Glands: PG16S14-10 | PG13S13-10 | PG15S14-10 | PG12S12-10 | PG11S12-10 | PG14S12-10 | N/A
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Applications

  • Wellhead Equipment
  • Offshore Christmas Trees
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