Würth Baer Supply CompanyWürth Baer Supply Company•Built For Those Who Build The World™
    (800) 289-2237
    Vernon Hills, IL
    (800) 289-2237
    Vernon Hills, IL
    Home
    Sign in / Register
    • Quick Order
    • Quotes
    • Promotions
    • Careers
    • Help
    • Contact
    Mobile app

    Why Shop With Us?

    • Lorry and clock graphic

      BUY "YOUR WAY"

      Order by 24/7 by web, contact our sales reps or call by phone.

    • Shopping bag with heart graphic

      One Stop Shop

      What you need, when you need it, all in one place.

    • Trolley graphic

      Next Day Delivery

      Most orders ship same day.

    • Supprt headphone graphic

      Expert Support Team

      Advice and support from knowledgeable professionals.

    Need help? Call(800) 289-2237

    Company Information

    • About Our Company
    • Who is Reinhold Würth?
    • Contact Us / Locations
    • Return Policy
    • Shipping Policy
    • Careers
    • Sales Tax and Exemption
    • Credit Application
    • ACH / e-Check Registration
    • Terms & Conditions
    • Privacy Notice
    • Accessibility Statement
    • Help
    • FAQ
    • Pay Invoices Online

    Shop With Us

    • Shop by Brand
    • Clearance
    • Daily Discounts
    • Catalogs
    • Vendor Literature
    • Download Our Mobile App

    Services

    • SAM.gov - CAGE Code: 1UXJ6
    • Architects & Designers Portal
    • ORSY - Inventory Management Solution
    • Machinery

    Contact

    • Toll-free (800) 289-2237
    • Website Support (800) 944-2237 x4444
    • Support via Text / SMS (800) 289-2237
    Compliance LogoThe logo of Viking CloudThe logo of FSCCARB 2 Compliant
    Vender Freight
    Routing
    • Our Blog (opens in a new tab)
    • LinkedIn (opens in a new tab)
    • Facebook (opens in a new tab)
    • Instagram (opens in a new tab)
    • YouTube (opens in a new tab)
    • TikTok (opens in a new tab)
    • Pinterest (opens in a new tab)
    • X (formerly Twitter) (opens in a new tab)
    Compliance LogoThe logo of Viking CloudThe logo of FSCCARB 2 Compliant
    Vender Freight
    Routing
    Approved US Government VendorCage Code: 1UXJ6

    Copyright © 2004-2026, Würth Baer Supply Company. All Rights Reserved.

    Terms & ConditionsPrivacy NoticeAccessibilityDo Not Sell My Personal InformationWürth ComplianceSite FeedbackSitemap
    Abrasive Sheets
    1. Home
    2. Abrasives
    3. Abrasive Sheets
    Item # SPSP3X4HLPB100-6 • Mfr # SP3X4HLPB100.6

    SurfPrep Hook & Loop Sanding Sheet 3" x 4" 100 Grit Aluminum Oxide Paper 6 Hole 100 Sheets-Box SP3X4HLPB100.6

    Description

    SurfPrep 100 Grit Sanding Sheet For Prep Work

    SurfPrep 100 grit sanding sheet is a 3 inch x 4 inch hook and loop aluminum oxide paper backed sanding sheet designed for dependable surface preparation. The blended paper backing provides enhanced support of grain and edge-wear, so the abrasive holds up under consistent use across edges and profiles. The premium abrasive grain in an open coat construction provides a true, consistent and uniform scratch, which helps produce predictable results from sheet to sheet. Italian engineering, design and attention to detail ensures consistent tolerances in the manufacturing of SurfPrep branded paper, supporting repeatable sanding performance across jobs. This 100 grit sheet is described as the best choice when it comes to preparing a surface for stain, while remaining durable, fast cutting and consistent in finish for all surfaces requiring proper prep sanding.

    Key SurfPrep Sheet Details For Daily Sanding

    • The 4 inch x 3 inch 100 grit hook and loop aluminum oxide paper abrasive sheet format matches common rectangular sanding tools, helping the sheet sit flat and stay located as work moves across the surface.
    • The blended paper backing provides enhanced support of grain and edge-wear, so the abrasive grain stays supported at the edges and maintains its working face during repeated passes over corners.
    • The premium abrasive grain in an open coat construction provides a true, consistent and uniform scratch, which helps produce even color when preparing surfaces for stain and reduces uneven scratch patterns.
    • The innovative load-free coating provides a fast rate of cut and longer life, because it resists clogging as dust builds, allowing the sheet to keep cutting instead of glazing over.
    • The product is developed for the operator, shop or manufacturer who struggles with swirl marks while preparing surfaces for stain, helping reduce visible swirl patterns by providing a uniform finished scratch.

    Hook And Loop Sheet Setup And Backing Construction

    This SurfPrep 3 inch x 4 inch sheet uses a hook and loop attachment, which allows quick changes on compatible sanding tools while maintaining a firm hold during use. The B-weight calendared paper backing supports high quality aluminum oxide grains in grits P120 to P320, indicating a lighter, flexible backing in those finer grits to follow contours. The C weight grits P80 to P100 use a heavier paper backing, so the 100 grit sheet sits in this C weight range, offering a stiffer base that supports cutting power in the coarser prep grit range. Open coat grain distribution across the surface allows space for sanded dust to move away from the cutting points, which works together with the load-free coating to maintain effective cutting over longer runs.

    Sanding Sheet Role In Stain Prep And Finish Quality

    Where This 3 x 4 Sheet Is Applied

    This SurfPrep aluminum oxide paper abrasive sheet is described as the best choice when it comes to preparing a surface for stain, so it fits into workflows focused on stain-ready prep. The 4 inch x 3 inch size allows work on flat areas and smaller panels where a rectangular pad is preferred. Because the sheet is durable, fast cutting and consistent in finish for all surfaces requiring proper prep sanding, it can be used across different materials that need an even scratch before further finishing steps. The six-hole hook and loop layout pairs with the hook and loop design to support dust movement through the open coat grain distribution, helping keep the working surface clearer during sustained sanding.

    How Design Details Support Consistent Results

    The premium abrasive grain in an open coat construction provides a true, consistent and uniform scratch, which helps operators reduce rework caused by random deep scratches or irregular patterns. The sheet is developed for the operator, shop or manufacturer who struggles with swirl marks while preparing surfaces for stain, so its uniform finished scratch directly targets that concern. Blended paper backing provides enhanced support of grain and edge-wear, allowing the grain to stay supported right to the edge, which is useful when sanding profiles and edges that can quickly wear standard paper. Italian engineering, design and attention to detail ensures consistent tolerances in manufacturing, so each SurfPrep branded paper sheet behaves similarly, helping shops maintain predictable sanding steps from job to job. The innovative load-free coating provides a fast rate of cut and longer life, meaning the sheet continues to cut efficiently rather than loading up, which supports steady workflow on larger runs.

    Common SurfPrep Sanding Sheet Buyer Questions

    What is the size of this SurfPrep 100 grit sanding sheet?

    The SurfPrep 100 grit hook and loop aluminum oxide paper abrasive sheet is 4 inch x 3 inch, which suits rectangular sanding tools used for controlled prep sanding.

    How does the hook and loop backing affect sanding workflow?

    The hook and loop backing on the SurfPrep paper backed sanding sheet allows quick sheet changes while keeping the sheet secure on the pad during sanding passes.

    Why is this sanding sheet recommended for stain preparation?

    The SurfPrep 100 grit sanding sheet is described as the best choice for preparing a surface for stain because its open coat grain provides a true, consistent, uniform scratch pattern.

    How does the load free coating help during sanding?

    The innovative load-free coating on this aluminum oxide paper abrasive sheet provides a fast rate of cut and longer life by resisting clogging as sanding dust builds.

    What backing weight does the 100 grit SurfPrep sheet use?

    The SurfPrep 100 grit sanding sheet falls in the C weight grits P80 to P100 range, giving it a heavier paper backing that supports aggressive prep sanding.

    How does this sheet address swirl marks in finishing?

    This SurfPrep abrasive sheet is developed for operators who struggle with swirl marks, providing a true, consistent, uniform finished scratch to help reduce visible swirls.

    Select This Sheet For Consistent Stain-Ready Prep

    This SurfPrep 3 inch x 4 inch hook and loop aluminum oxide paper backed sanding sheet combines C weight backing in 100 grit with open coat construction to support steady cutting and a uniform scratch. The load-free coating and blended paper backing work together to provide a fast rate of cut, enhanced support of grain and edge-wear, and longer usable life. For shops and operators focused on preparing surfaces for stain while minimizing swirl marks, this SurfPrep sheet offers a consistent, repeatable sanding step that fits right into prep workflows.

    Attachment Type
    Hook and loop
    Grit
    100
    Hole Pattern
    6-hole
    Length (in)
    4 in
    Width (in)
    3 in
    Vacuum Type
    Vacuum
    Mineral
    Aluminum oxide
    Color/Finish
    Gold
    Backing Weight
    Paper Backed
    Product Type
    Sanding Sheets
    Supplier Pack Size
    1
    Sold In
    1
    Attachment Type
    Hook and loop
    Grit
    100
    Hole Pattern
    6-hole
    Length (in)
    4 in
    Width (in)
    3 in
    Vacuum Type
    Vacuum
    Mineral
    Aluminum oxide
    Color/Finish
    Gold
    Backing Weight
    Paper Backed
    Product Type
    Sanding Sheets
    Supplier Pack Size
    1
    Sold In
    1
    0Cart
    0Cart
    80100120150180220320400
    SurfPrep
    $24.79/Box
    SurfPrep Hook & Loop Sanding Sheet 3" x 4" 100 Grit Aluminum Oxide Paper 6 Hole 100 Sheets-Box SP3X4HLPB100.6
    Item# SPSP3X4HLPB100-6 / MFR Part # SP3X4HLPB100.6
    Box
    Box
    Backorder

    Sold In: 1 Box

    Box