CAPABILITIES

We can handle parts from .100" to 40” in diameter.

Lapping Services


  • Flat Lapping

  • Ball Seat Lapping

  • Mechanical Seals

  • Prototypes & Production

  • .100" to 40" Diameter Capacity

  • Parts as Thin as .003"

Quality Assurance


  • Tolerances within 40 millionths

  • Parallelism within 50 millionths

  • Surface Finishes to 2Ra

  • Flatness within 1 Helium Lightband

  • Environmentally Safe Cleaning

  • We have 11 Machines ranging in size from 12" to 72"
  • Complete Quality Assurance Capability

  • AS9100D & ISO 9001:2015 Compliant


Sea-Lap can lap a variety of materials including Aluminum, Steel, Titanium, Copper, Brass, Bronze, Tool Steels, and Tungsten.


lapping plate

Aluminum Alloys

2011 • 2017 • 2024 • 2219 • 5052 • 6061 • 6063 • 6262 • 7050 • 7075 • K100 & More


Carbon Steel

1018 • 1025 • 1040 • 1045 • 1112 • 1117 • 1144 • 1215 • 12L14 Ledloy & More


Stainless Steel

13-8MO • 15-5PH • 17-4PH • 300/400 Series • Nitronic • AM-355 & More


Aircraft Alloys

4130 • 4140 • 4330 • 4340 • 4620 • 52100 • 8740 • 9310 • 300M • H-11 • Hy-Tuff • Nitriding & More


Super Alloys

A-286 • AM350/355 • Hastelloy • Haynes • Hy Mu • Incoloy • Inconel • Maraging • Monel • Nickel • Waspaloy & More


Electrical Steels

Invar • Kovar • 4750 & More


Titanium

6Al-4V • 6Al-6V-2Sn • 6Al-7Nb • 8Al-1Mo-1V • 10Al-2V-3Sn • CP 1, 2, 3 & 4 • Ti-1100 & More


Brass & Bronze

200/300 Series Brass • 400/500 Series Bronze • Ampco • Silicon & Manganese Bronze • Aluminum Bronze & More


Copper

100 Series OFE/OF/ETP/DHP Copper • Tellurium Copper • Half- and Full-Hard & More


Tool Steels

A2 • A6 • D2 • 01 • S5 • S7 • H13 • H21 • PM A11 • PM M4 & More


High Speed Steels

M2 • M42 • PM M4 • PM T15 • Specialty Grades & More



Tungsten Alloys

CW55 • CW68 • CW70 • CW75 • CW78 • CW80 • TC50 • TC56 • TC70 •TCA70 • 17 • 17D • 17.5 • 17.6 • 17.7 • 18 • 18D • 18.5


  • When it comes to precision lapping, nobody beats Sea-Lap for quality and reliability.

  • Our standard turnaround time is 3 to 5 days with overnight delivery available.
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Contact us today for a free quote at (626) 332-2888 or mail@sea-lap.com.