Adcole - Marlborough, MA
Manufacturer
Six Sigma certified. Manufacturer & designer of measuring & metrology instruments including gages & gaging systems. Types include cylindrical coordinate measuring, surface roughness, high speed production & multi-headed camshaft inspection gages. Various features include headstock spindles, precision flat granite base plates, windows XP platforms, menu driven software, carbide tooling, programmable reporting & programming menus. Gages are suitable for measuring various parameters including roundness, diameter, surface chatter, radius, taper, eccentricity, velocity, acceleration & cylindricity.
adcole.thomasnet-navigator.com/category/mea...

The Wakefield Corp. - Wakefield, MA
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified custom manufacturer of powdered metal parts including pump rings. Specifications of rings include 6.20 g/cc to 8.00 g/cc density, 50,000 psi to 190,000 psi transverse rupture strength, 25,000 psi to 100,000 psi tensile strength, 6,500 psi to 65,000 psi yield strength, elongation up to 18.00 percent & wall thickness up to 1/16 in. Rings are ductile, heat treated & corrosion, abrasion & impact resistant. Rings are made from alloys including iron steel, carbon steel, copper steel, iron copper, iron nickel, nickel steel, low alloy steel, copper infiltrated iron, steel, stainless steel, brass, bronze & nickel silver.