Coiled Internal and External Circlips

Performance Springs Ltd is the UK’s premier designer, developer and manufacturer of high quality, heavy duty and precision coiled internal and external circlips.

Performance Springs Circlips Manufacturing Range

  • Round Wire 0.2mm to 19.0mm Diameter.
  • Sectional, Square & Rectangular Wires up to 17mm
  • Production Batches from 1 to 5,000,000
  • Internal & External Chamfered Ends
  • Coiled & Pressed Ends Shapes on Application
  • Maximum Outside Diameter 600+mm



Made to order for:-

  • Hydraulic Valves, Actuators / Rams, Motors, Pumps and Quick Release Couplings
  • Fuel Injectors
  • Automotive Transmissions
  • Brake Systems
  • Steering Systems
  • Railway Engineering
  • Aircraft Components
  • Oil, Chemical and Nuclear Industries
  • Mining Industries



We select the world’s best materials…


Silicon-Chrome-Vanadium Oil Tempered and Silicon-Chrome-Vanadium + Nickel Oil Tempered

1.5mm to 6mm Wire Diameter

  • Branded Specialist Wires
  • ASTM877B


Silicon-Chrome Oil Tempered

0.5mm to 14mm Wire Diameter

  • EN10270/2 VD SiCr
  • DIN 17225 VDSiCr
  • ASTM A877
  • BS2803 685A55 HD2
  • AS33A


Hard Drawn Carbon Steels

0.2mm to 15mm Wire Diameter

  • EN10270/1 Grades SH, DM, DH
  • BS5216 Grades HD3, HS3, ND3, M4, M5
  • DIN17223/1 Grades B, C, D, II
  • ASTM Grades A679, A228
  • AS8, AS6/7, AS5, AS5A
  • J271, J178
  • G3502


Stainless Steel

0.2mm to 15mm Wire Diameter

  • EN10270/3 Grade X10 CrNi 18-8, X5 CrNiMo 17-12-2, X7 CrNiAl 17-7
  • BS2056 Grades 301 (17/7), 302, …316
  • DIN 17224 1.4310, 17224 1.4401, 17224 1.4568
  • ASTM A313
  • AS35
  • AMS 5688, 5673C, 5678
  • JIS G4314


Copper Alloys

  • Brass BS2873 CZ107
  • Phosphor Bronze BS2873 PB102/103
  • Beryllium Copper BS2873 CB101


Nickel Alloys

  • Inconel X750, Inconel 600, Nimonic 90, Monel 400
  • BS3075 Grades NA14, NA19, NA13
  • AMS 5699E


Titanium Alloys

  • Titanium Alloy 318, Bet C


Manufacturing Capabilities and Processes

  • CNC Coiling
  • Semi-Automatic Coiling
  • Shot Peening
  • End Chamfering & Finishing
  • Full Inspection and Test Facilities
  • Full Statistical Process Control


All activities are undertaken on the basis of:

  • Fast turn times where availability dictates
  • High quality to OEM standards and beyond
  • Comprehensive technical and sales back-up service


With high investment in both its workforce and manufacturing facilities, Performance Springs Ltd is at the leading edge of spring technology and innovation, making it the best choice for high fatigue and safety critical applications.


Circlip Optimisation

Do you have problems in any of the following areas?

  • Flatness, roundness, durability
  • Tight tolerancing and accuracy
  • Satisfying the need for downsizing, reducing component weight


Performance Springs can help with expert advice about how to solve such spring problems and reduce risk. We provide our specialist knowledge to our clients to give them a competitive advantage in the marketplace.