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Select all	Attribute	Value
	Brand	3M
	Disc Diameter	178mm
	Product Type	Grinding Disc
	Abrasive Material	Precision Shaped Grain
	Bore Size	8mm
	Grit Size	25
	Colour	Bright
	Grade	Very Fine
	Quantity Per Package	25Per Pack
	Maximum Safe Speed	8600rpm
	Standards/Approvals	No
	Series	PN-DH
	Material Cut	Stainless Steel

	Select all
	Brand 3M
	Disc Diameter 178mm
	Product Type Grinding Disc
	Abrasive Material Precision Shaped Grain
	Bore Size 8mm
	Grit Size 25
	Colour Bright
	Grade Very Fine
	Quantity Per Package 25Per Pack
	Maximum Safe Speed 8600rpm
	Standards/Approvals No
	Series PN-DH
	Material Cut Stainless Steel

Datasheet - 7100275255

RoHS Status: Exempt

COO (Country of Origin):: US

3M Grinding Disc, 178mm Disc Diameter, P150 Grit size - 7100275255

This grinding disc is a precision surface conditioning tool designed for low-pressure metal finishing and cleaning tasks. It combines a shaped abrasive grain with a non-woven web to remove surface contaminants and refine finishes on a range of metals while preserving base material geometry. The disc is supplied in packs suitable for workshop and production use.

Features & Benefits

• Precision-shaped grain increases cut rate and service life
• Fine P150 grit delivers controlled surface refinement
• Bright colour coding for quick grade identification
• 8mm bore permits use with standard mandrels and adaptors
• Rated maximum safe speed of 8600 r/min for high-speed operations

Applications

• Suitable for edge blending and light stock removal on stainless steel
• Ideal for deburring components in mechanical assembly lines
• Used for surface preparation prior to welding on carbon steel
• Can be used for finishing aluminium and soft-metal assemblies
• Suitable for routine cleaning in electronics and electrical workshops

How is the disc mounted for bench or handheld tools?

The central 8mm bore accepts common mandrels and quick-change fittings compatible with 7/8 in centre-hole systems for secure attachment.

What volume packaging is available for production environments?

It is supplied in packs containing 25 discs to support repeated use and minimise restocking frequency.

How does the non-woven construction affect thermal transfer during use?

The open web reduces heat build-up versus solid abrasives, lowering the risk of thermal damage during extended light-pressure passes.

Which abrasive structure is present and how does it influence wear?

A precision-shaped abrasive grain is embedded within the web, producing consistent material removal rates and predictable abrasive life.

What speed limitations should operators observe?

Operators must not exceed the specified maximum safe rotational speed of 8600 r/min to maintain safe operation.

3M PN-DH Precision Shaped Grain, 178 mm, Very Fine Grade, 25 Grit 25 Per Pack

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