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Select all	Attribute	Value
	Brand	3M
	Disc Diameter	127mm
	Product Type	Abrasive Disc
	Abrasive Material	Precision Shaped Grain
	Grit Size	320
	Grade	320+
	Quantity Per Package	50
	Maximum Safe Speed	12000rpm
	Bond Type	Resin
	Standards/Approvals	ANSI, OSHA
	Material Cut	Wood, Paint Coated, Composite, Metal
	Series	732U

	Select all
	Brand 3M
	Disc Diameter 127mm
	Product Type Abrasive Disc
	Abrasive Material Precision Shaped Grain
	Grit Size 320
	Grade 320+
	Quantity Per Package 50
	Maximum Safe Speed 12000rpm
	Bond Type Resin
	Standards/Approvals ANSI, OSHA
	Material Cut Wood, Paint Coated, Composite, Metal
	Series 732U

Datasheet - 7100335456

Exempt

COO (Country of Origin):: US

3M 732U Premium Series Grinding Disc, 127mm Disc Diameter, 320 Grit size - 7100335456

This grinding disc is a resin-bonded abrasive designed for industrial surface preparation and finishing across metal, timber and composite substrates. It fits 127mm hook-and-loop back-up pads and is intended for use in production and maintenance environments where consistent material removal and dust control are required.

Features & Benefits

• Precision-shaped grain increases cutting rate and lowers power draw
• Anti-load coating reduces clogging for longer working periods
• Compatible with multi-hole extraction patterns for improved dust capture
• Resin bond ensures durability during aggressive sanding tasks
• C-weight paper backing balances flexibility with durability

Applications

• Suitable for dimensioning and de-flashing of metal components
• Ideal for scuffing and preparation of paint-coated surfaces
• Used for coating refinement and rework in production lines
• Can be used for edge rounding and finish sanding of wooden parts
• Suitable for sanding composite panels and gelcoat surfaces

What maximum rotational speed can I use with this disc?

The disc is rated for safe operation up to 12,000 r/min.

How is dust managed when using this product?

When paired with a multi-hole extraction system it achieves very high dust removal, reducing loading and particulate exposure.

How is the abrasive arranged on the backing?

The mineral is applied in a precision-shaped pattern to form consistent cutting peaks that maintain finish quality.

What backing material improves handling and versatility?

A robust C-weight paper backing provides a balance of flexibility for hand work and stability for power-tool applications.

In what packaging quantity is this item supplied?

The product is supplied in bulk packs of 50 discs.

3M 732U Precision Shaped Grain, 127 mm Resin, 320+ Grade, 320 Grit 50