3M™ Hookit™ Blue Abrasive Disc 321U, 36166, 5 in, 400, Multi-hole, 50 Discs/Carton, 4 Cartons/Case

The 3M™ Hookit™ Blue Abrasive Disc 321U delivers best-in-class performance at every stage of paint prep and coatings removal. Premium aluminum oxide mineral abrasive is blended with ceramic grain for a full range of sanding applications. The multi-hole discs feature a specially-designed pattern that reduces loading, extends disc life and aligns with most backup pads. Hookit™ attachment makes disc changes easy.
Special Price $40.81 Regular Price $48.01
UPC 00051131361669
3M ID 7100091239
Packaging Carton
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3M™ Hookit™ Blue Abrasive Discs 36166 are a cost-effective, high-performance upgrade for paint preparation and scuff sanding jobs.

The multi-hole pattern provides excellent dust extraction to help reduce loading and help extend disc life, while the universal design aligns with most sanders and backup pads for durable, long-lasting use.

Quickly change discs with the Hookit™ attachment system - a hook-and-loop feature which helps make disc attachment, removal, and re-attachment clean and easy. The engineered ceramic mineral blend delivers strong abrasive performance in its class, and the anti-loading coating helps keep dust from gathering between the abrasive grains for a faster precision cut.

3M™ Hookit™ Blue Abrasive Discs 36166 deliver best-in-class cut, life, and efficiency across your entire shop.


  • QUALITY: Get a best-in-class cut rate and disc life with 400 Grade 3M™ Hookit™ Blue Abrasive Discs, a workhorse abrasive for auto repair professionals
  • MAXIMUM PERFORMANCE: Engineered ceramic mineral blend is balanced for maximum abrasive performance in its class
  • MULTI-HOLE PATTERN: Provides excellent dust extraction to help reduce loading and help extend disc life
  • UNIVERSAL DESIGN: Designed to help you get your work done quicker and help you spend less time changing abrasives mid job
  • EASY CHANGE-OUTS: Change out discs quickly with the 3M™ Hookit™ attachment system
More Information
3M ID 7100091239
Part number 36166
Keywords 36166 hookit blue abrasive multi-hole 5 in 400 grade blue disc pattern coating removal paint preparation dust extraction anti-loading sanding ceramic mineral premium aluminium reuse high-performance
Global Product Hierarchy Abrasives > Abrasive Discs > Paper Discs
Abrasive Material Ceramic Aluminum Oxide
Application Clear Coat
Backing Material Paper
Backing Weight C Weight
Bond Type Resin
Center Hole Diameter (Imperial) 0.0 NP
Color Family Blue
Grit 400
Product Color Blue
Product Number 321U
Product Type simple
Quantity 0
Trademark 1 3M™
Trademark 2 Hookit™
Country of Origin United States
Sales Unit EA
SAP Shelf Life In Days 0
Base - Billing Unit EA
Base - Customary Width Dimension 5.0 INCH
Base - Metric Gross Weight 5.1 G
Base - Metric Width Dimension 0.127 M
Base - Item Quantity 1
Base - Unit EA
Unit of Use - Billing Unit EA
Unit of Use - Customary Cubic Dimension 1.7135467341800825 ci
Unit of Use - Customary Gross Weight 0.011243575371428756 lbs
Unit of Use - Customary Net Weight 0.007936641438655592 lbs
Unit of Use - Metric Cubic Dimension 28.08 CCM
Unit of Use - Metric Net Weight 3.6 G
Unit of Use - Item Quantity 1
Unit of Use - Total Unit Quantity 1
Unit of Use - Previous Packaging Level Quantity 1
Unit of Use - Item Unit EACH
Unit of Use - Unit EA
Consumer - Billing Unit EA
Consumer - Customary Cubic Dimension 53.62766631045073 ci
Consumer - Customary Gross Weight 0.505960891714294 lbs
Consumer - Customary Net Weight 0.39683207193277964 lbs
Consumer - Customary Height Dimension 2.047244094488189 in
Consumer - Customary Length Dimension 5.118110236220472 in
Consumer - Customary Width Dimension 5.118110236220472 in
Consumer - Metric Cubic Dimension 878.8 CCM
Consumer - Metric Net Weight 180.0 G
Consumer - Metric Height Dimension 5.2 CM
Consumer - Metric Length Dimension 13.0 CM
Consumer - Metric Width Dimension 13.0 CM
Consumer - Item Quantity 50
Consumer - Total Unit Quantity 50
Consumer - Previous Packaging Level Quantity 50
Consumer - Previous Packaging Level Unit EACH
Consumer - Item Unit EACH
Consumer - Unit KAR
Shipper - Billing Unit EA
Shipper - Customary Cubic Dimension 342.7093468360165 ci
Shipper - Customary Gross Weight 2.248935536547936 lbs
Shipper - Customary Net Weight 1.5873282877311186 lbs
Shipper - Customary Height Dimension 6.299212598425197 in
Shipper - Customary Length Dimension 9.21259842519685 in
Shipper - Customary Width Dimension 5.905511811023622 in
Shipper - Metric Cubic Dimension 5616.0 CCM
Shipper - Metric Weight 1020.1 G
Shipper - Metric Net Weight 720.0 G
Shipper - Metric Height Dimension 16.0 CM
Shipper - Metric Length Dimension 23.4 CM
Shipper - Metric Width Dimension 15.0 CM
Shipper - Item Quantity 200
Shipper - Total Unit Quantity 200
Shipper - Previous Packaging Level Quantity 4
Shipper - Previous Packaging Level Unit CTNS
Shipper - Item Unit EACH
Shipper - Unit CS
Pallet - Billing Unit EA
Pallet - Customary Cubic Dimension 82748.19699245697 ci
Pallet - Customary Gross Weight 518.0863161344623 lbs
Pallet - Customary Net Weight 323.81497069714817 lbs
Pallet - Customary Height Dimension 42.91338582677165 in
Pallet - Customary Length Dimension 48.031496062992126 in
Pallet - Customary Width Dimension 40.15748031496063 in
Pallet - Metric Cubic Dimension 1.356 M3
Pallet - Metric Net Weight 146.88 KG
Pallet - Metric Height Dimension 1.09 M
Pallet - Metric Length Dimension 1.22 M
Pallet - Metric Width Dimension 1.02 M
Pallet - Item Quantity 40800
Pallet - Total Unit Quantity 40800
Pallet - Previous Packaging Level Quantity 204
Pallet - Previous Packaging Level Unit BOX
Pallet - Item Unit EACH
Pallet - Unit PAL
Pallet - Pallet Layer Quantity 6
Pallet - Shipping Container Per Layer Quantity 34
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