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The STUTZ Company - Manufacturer of Plating Tanks, Tlating Barrels, Buffing and Lapping  Compounds
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Lapping Compounds

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From its inception in 1921, the Stutz Company has been exclusively dedicated to solving problems for the metalworking Industries. For more than 75 years, STUTZ abrasive lapping compounds have helped machinists, mechanics, tool and die makers and machine builders create optimal surfaces on machine parts, valve seats, piston rings, gear teeth and other mating surfaces.

Lapping is the only positive way of insuring the optimal fit of two surfaces, whether flat, or contoured. STUTZ abrasive lapping compounds are engineered, formulated and produced for the cutting, smoothing, finishing and polishing of metal surfaces following stock removal techniques such as grinding, milling, boring, honing and EDM machining.

For dependability, uniformity and consistent cutting you need the finest abrasive lapping compounds available today. The results of more than 75 years of continual research and improvement, STUTZ lapping compounds are the best available, anywhere and every time! Use STUTZ abrasive compounds to:
  • Perform efficient stock removal
  • Achieve critical thickness
  • Produce surface flatness
  • Enhance surface finish
The Right Abrasive, Formulation and Packaging for Your Job
Ranging from very coarse to extremely fine, STUTZ abrasive compounds are formulated for maximum production efficiency in specific applications. STUTZ abrasive compounds are available in oil, synthetic and water-based "prescription accurate" formulations.

Aluminum Oxide fused blocky tan grains or white platelets cut slightly slower than silicon carbide but can tolerate higher grinding pressures. Moh's Hardness of 9.0.

Silicon Carbide crystals are hard and sharp for fast cutting on most metals. The crystals break in the lapping process creating more sharp edges for consistent cutting performance. Moh's Hardness 9.5.

Boron Carbide crystals are extremely hard and sharp for excellent performance on even the toughest metals. Boron carbide can often be used instead of diamond pastes for a fraction of the cost, Moh's Hardness 9.7.

STUTZ lapping compounds are consistent from batch to batch and uniformly abrasive from the top of the container to the bottom. We purchase only the finest quality abrasives from ISO 9000 approved manufacturers. Grading is precisely controlled and tested. Grit sizes are FEPA graded and exceed industry standards.
STUTZ compounds are non-caking and can be used directly from the shipping container. A wide range of packaging configurations are available, from 12 oz. jars to 350 gallon totes.

Precisely Matched To Your Production Needs
If one of our many stock compounds or packages is not ideal for your production needs, we'll work with you to develop an affordable custom solution.

Leading The Way In Water-Washable Compounds
Responding to the increasing environmental pressures you face, we are on the leading edge of water-based and water-washable biodegradable compound development. As an added benefit, water-based formulations provide easier cleaning of lapped parts in water and detergent cleaning machines.

Hardened Steel  · Non-Ferrous Metals  · Powder Vehicles  · Premix  · Special Applications  · Lapping Metals

Hardened Steel
Silicon carbide powder suspended in an oil vehicle or water-based gel. Packaged in 12 oz., 1, 5, 30, & 55 gallon containers and 350 gallon totes.

Grit Formula
180 SC-18
220 SC-32
280 SC-180 (32W)
320 SC-400
400 SC-50-20-3
500 SPC-600
800 PSC-80-20-3

Non-Ferrous Metals
(+ soft steel/stainless) Aluminum oxide powder, blocky brown fused or white platelets, suspended in an oil vehicle or water-based gel. Packaged in 1 5 and 30 gallon containers.

Grit Formula
280 A-28
320 SPA-35
400 A-40
500 A-50
600 MM12-A,
700 A-70
800 BLC-10A
1200 BLC-5A

Powder Vehicles
Oil-based, water soluble or thin body synthetic lapping vehicles for use with graded abrasive powders. Packaged In 1, 5, 30 & 55 gallon containers.

Vehicle Formula
Oil 5020-3
Water Soluble LVT-24
Water-based synthetic W-GEL

Grease mix grinding compounds retain their texture and lubrication properties during extended lapping. 120 grit or coarser compounds are available as semi-paste (pour able) or in paste-like consistency. Silicon carbide (SC), Aluminum oxide (A). Packaged in 12 oz., 1, 5, 30 & 55 gallon containers.

Grit Formula Consistency
80 SC-80 Paste
100 SC-100 Paste or Paste With Oil
120 SC-120VW Washable Paste With Oil
120 SC-120-35MK Paste
150 A-120-35 M Paste

Special Applications
Graded uniform action abrasive powders for high luster finishes on metal, glass and ceramics. Packaged in 1, 5 and 30 gallon containers and 100 lb. bags. Diamond pastes and liquids are also available. Please inquire.

Material Abrasive Cutting Finishing
High luster on steel Buffing powder STUTZ B200 STUTZ B300
Glass or ceramic Aluminum oxide 700 900

Lapping Metals
General Recommendations for Lapping Metals

Consistency Abrasive Cutting Finishing
Steel Aluminum oxide 280 500
Hard steel/carbide Silicon carbide
Boron carbide
220 600
Bronze Aluminum oxide 240 400
Aluminum Aluminum oxide 320 600
Gen stones Silicon carbide
Boron carbide
36, 60, 80, 90 180, 240, 320,
360, 500

A Strong Commitment to Quality
The Stutz Company is, and has always been, family owned and operated. We focus on quality In everything we do. Our philosophy is to prevent problems before they' occur. Our ongoing pro-active quality programs with our vendors ensure quality that's designed in to our compounds from the very start, so you'll get precisely the finish you need. Many of our customers are Tier 1 automotive suppliers, so we are committed to QS-9000 compliance.

Building Partnerships
We work hard at building strong relationships with our, customers. At the Stutz Company, we believe that trust, commitment and an understanding of your heeds are the foundation blocks to a lasting and mutually beneficial relationship.

The Stutz Company is as much a consultant as we are a supplier of products and services, We bring valuable experience and expertise to our customers, We're your best partner for lapping compounds and all your metal finishing needs. Ask any of the customers who have partnered with the Stutz Company to save production and labor costs. You'll benefit from our decades of metal finishing experience and the consistent cutting performance of STUTZ "prescription accurate" abrasive tapping compounds.

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