3M™ Hookit™ Blue Abrasive Disc 321U, 36180, 6 in, 320, 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 $49.99 Regular Price $58.81
UPC 00051131361805
3M ID 7100216057
Packaging Carton
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3M™ Hookit™ Blue Abrasive Discs 36180 are a cost-effective, high-performance upgrade for paint preparation and primer 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 36180 deliver best-in-class cut, life, and efficiency across your entire shop.


  • QUALITY: Get a best-in-class cut rate and disc life with 320 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 7100216057
Part number 36180
Keywords 36180 hookit blue abrasive multi-hole 6 in 320 grade blue disc pattern featheredging primer sanding paint preparation dust extraction anti-loading sanding ceramic mineral premium aluminum 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
Color Family Blue
Grit 320
Product Color Blue
Product Number 321U
Product Type simple
Quantity 0
Trademark 1 3M™
Trademark 2 Hookit™
Country of Origin Cameroon
Sales Unit EA
SAP Shelf Life In Days 1825
Base - Billing Unit EA
Base - Metric Gross Weight 7.781 G
Base - Item Quantity 1
Base - Unit EA
Unit of Use - Billing Unit EA
Unit of Use - Customary Cubic Dimension 2.31701053953289 ci
Unit of Use - Customary Gross Weight 0.017154168620605325 lbs
Unit of Use - Customary Net Weight 0.012998454978420382 lbs
Unit of Use - Metric Cubic Dimension 37.969 CCM
Unit of Use - Metric Net Weight 5.896 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 75.02637446219774 ci
Consumer - Customary Gross Weight 0.7889991623977273 lbs
Consumer - Customary Net Weight 0.6499227489210191 lbs
Consumer - Customary Height Dimension 2.0 in
Consumer - Customary Length Dimension 6.124803149606299 in
Consumer - Customary Width Dimension 6.124803149606299 in
Consumer - Metric Cubic Dimension 1229.462 CCM
Consumer - Metric Net Weight 294.8 G
Consumer - Metric Height Dimension 5.08 CM
Consumer - Metric Length Dimension 15.557 CM
Consumer - Metric Width Dimension 15.557 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 463.403999642645 ci
Shipper - Customary Gross Weight 3.4309990708177036 lbs
Shipper - Customary Net Weight 2.5996909956840764 lbs
Shipper - Customary Height Dimension 7.3 in
Shipper - Customary Length Dimension 9.2 in
Shipper - Customary Width Dimension 6.9 in
Shipper - Metric Cubic Dimension 7593.831 CCM
Shipper - Metric Weight 1556.275 G
Shipper - Metric Net Weight 1179.2 G
Shipper - Metric Height Dimension 18.542 CM
Shipper - Metric Length Dimension 23.368 CM
Shipper - Metric Width Dimension 17.526 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 93671.44718541406 ci
Pallet - Customary Gross Weight 636.9992511117416 lbs
Pallet - Customary Net Weight 436.74896912397355 lbs
Pallet - Customary Height Dimension 48.8 in
Pallet - Customary Length Dimension 48.0 in
Pallet - Customary Width Dimension 40.0 in
Pallet - Metric Cubic Dimension 1.535 M3
Pallet - Metric Net Weight 198.106 KG
Pallet - Metric Height Dimension 123.952 CM
Pallet - Metric Length Dimension 121.92 CM
Pallet - Metric Width Dimension 101.6 CM
Pallet - Item Quantity 33600
Pallet - Total Unit Quantity 33600
Pallet - Previous Packaging Level Quantity 168
Pallet - Previous Packaging Level Unit BOX
Pallet - Item Unit EACH
Pallet - Unit PAL
Pallet - Pallet Layer Quantity 6
Pallet - Shipping Container Per Layer Quantity 28
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