FAQ: Quick Change Discs

What are the most common type of buttons on a quick change disc?

There are different options, but the most common types are Type S and Type R buttons.

Which button on a quick lock is male?

The male button is a Type R.

Which button on a quick lock is female?

The female button is a Type S.

Which button on a quick change disc looks like a star?

The star shape button is a Type P.

What do you call the male thread attachment on a quick change disc?

It is referred to as an R-Lock or Roloc.

What do you call the female thread attachment on a quick change disc?

It is referred to as an S-lock or Speed Lock.

What type of quick change attachment is made out of metal?

The typical metal attachment is an S-Lock.

What type of quick change attachment is best for high heat applications?

The metal S-lock works best under high heat.

Why would I choose a backing pad that is smaller than the discs?

You would choose a smaller backing pad if you wanted more material overhang to reach tight areas, or if you need more flexibility.

What size(s) of backing pad will attach to a 3 inch R-lock discs?

Typical backing pad sizes for 3″ discs are 3″, 2″, 1-1/2″, 1″, and 3/4″.

What different sizes are there for quick change discs?

Quick change discs come in sizes 3/4″, 1″, 1-1/2″, 2″, 3″, and 4″.

What are the most popular types of quick change attachments?

R-Lock and S-Lock are the most popular types.

What are the some of the benefits of using a quick change disc?

They have an ideal size and shape for working in small restricted areas, a small grinding footprint, quick and easy attachment to reduce set up times.

What are some of the typical applications for quick change disc?

Quick change discs can be used for weld removal, removing weld spatter, deburring sharp edges, surface prep, or finishing.

What do I attach the quick change discs to?

You would attach the disc to the appropriate rubber backing pad, depending on the button type.

What are the different types of die grinders?

Die grinders types come in straight and angle (90°).

What type of tool do I use for a quick change disc?

The typical tool used for a quick change disc is an electric or pneumatic die grinder.

What types of grains can I get in a quick change disc?

The typical grains for a quick change disc are aluminum oxide, zirconia alumina, ceramic and silicon carbide.

What is a 2-ply quick change disc?

2-ply means there is an extra layer of backing laminated to the original material.

What is a 1-ply quick change disc?

1-ply means the disc is only made out of the base abrasive material and does NOT have any additional backing laminated to it.

What type of quick change attachments are spin welded?

R-Lock attachments are spin welded.

What is a spin welded quick change disc?

Spin welding is when heat is generated by frictional rotation, which welds the plastic R-Lock into the back of the Quick Change disc.

What size(s) of backing pad will attach to a 3″ S-lock discs?

Only a 3″ backing pad will attach to 3″ S-lock discs.

What size(s) of backing pad will attach to a 3″ P-lock discs?

Only a 3″ backing pad will attach to 3″ P-lock discs.

What size(s) of backing pad will attach to a 2″ R-lock discs?

2″ R-lock discs can attach to backing pad sizes 2″, 1-1/2″, 1″, and 3/4″.

What size(s) of backing pad will attach to a 2″ S-lock discs?

2″ S-lock discs can attach to backing pad sizes 2″, 1-1/2″, 1″, and 3/4″.

What size(s) of backing pad will attach to a 2″ P-lock discs?

2″ P-lock discs can attach to backing pad sizes 2″, 1 ½”, 1″, and 3/4″.

What size(s) of backing pad will attach to a 4″ S-lock discs?

4″ S-lock discs can attach to 3″ and 4″ backing pads.

What size(s) of backing pad will attach to a 4″ R-lock discs?

4″ R-lock discs can attach to 3″ and 4″ backing pads.

What does rpm mean?

Revolutions per minute. This is the rotational speed of the tool.

Why would I choose an aluminum oxide quick change disc?

Aluminum oxide is a general purpose grain that should be used on mild steel, aluminum and non-ferrous materials.

What color is an aluminum oxide quick change disc?

Aluminum oxide materials are usually brown.

What is another name for aluminum oxide?

Aluminum Oxide is often referred to as AO.

Why would I choose a zirconia alumina quick change disc?

If you want an upgrade in performance over aluminum oxide on mild or stainless steel, zirconia is the best option.

What color is the zirconia alumina quick change disc?

Zirconia alumina material is usually blue or green.

What is another name for zirconia alumina?

Zirconia Alumina is often referred to as ZA or Zirc.

Why would I choose a ceramic quick change disc?

You would choose ceramic if you wanted maximum performance on mild or stainless steel.

What is the best type of quick change material for aluminum?

Aluminum oxide is the most typical grain used on aluminum.

What is the best quick change disc material for titanium?

Silicon carbide or silicon carbide compact grain is optimal on titanium.

What is the maximum RPM for a 4″ quick change disc?

9,000 RPM is the max for a 4″ disc.

What is the maximum RPM for a 3″ quick change disc?

20,000 RPM is the max for a 3″ disc.

What is the maximum RPM for a 2″ quick change disc?

30,000 RPM is the max for a 2″ disc.

What is the maximum RPM for a 1-1/2″ quick change disc?

30,000 RPM is the max for a 1-1/2″ disc.

What is the maximum RPM for a 1″ quick change disc?

40,000 RPM is the max for a 1″ disc.