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    Slides, Undermount
    1. Home
    2. Drawer Slides & Accessories
    3. Slides, Undermount
    Item # UBF70FFSC-21 • Mfr # UBF70FFSC-21

    Salice F70 21" Soft-Close Full Extension Undermount Drawer Slides, Zinc - UBF70FFSC-21

    Description

    Salice F70 21 Inch Soft Close Undermount Drawer Slides

    Salice F70 21 inch soft close undermount drawer slides provide full extension movement with a synchronized mechanism, so the drawer travels smoothly and evenly under load. This matters when you need stable action for wider or deeper drawers that are fully loaded. The slides are part of the Progressa Plus face frame soft close line, identified by model UBF70FFSC-21, which helps match this set to other Salice America components on a project. A zinc finish on the undermount slides supports a clean, professional look inside cabinetry. The design is 100% made in Italy, giving shops a clearly defined, origin-specific product to spec across multiple jobs. As 21 inch undermount drawer slides in the Salice America range, they suit applications where concealed undermount hardware is preferred over side-mount slides.

    Key Salice F70 Features For Drawer Performance

    • The full extension slide with a synchronized mechanism carries drawers out completely, which opens the full drawer box for access and simplifies storing bulky items near the back.
    • A 150 lbs dynamic and 170 lbs static load capacity supports heavier drawer contents, helping maintain consistent motion under working loads or when drawers are fully loaded and at rest.
    • Enhanced smooth soft closing action slows the final travel of the drawer, which reduces slamming and helps protect both the drawer box and face frame alignment over time.
    • Elongated holes for depth and height adjustments give extra play during mounting, making it easier to fine-tune drawer front reveals without re-drilling slide locations.
    • Adjustable clips that allow easy drawer insertion and removal, plus a special clip for narrow drawers, speed up fitting and later service work when drawers need to be taken out.
    • Optional tool free tilt adjustment of plus 3 mm helps correct drawer front rake, which is especially useful when aligning multiple drawer fronts in a tall cabinet run.

    Installation Details And Adjustment Functions

    The Salice F70 21 inch full extension undermount slide uses elongated mounting holes to give on-the-job flexibility for depth and height adjustments, so installers can shift the slide position slightly to dial in front gaps. Integrated tool free height adjustments of plus 2.5 mm let installers raise the drawer front relative to the slide without separate tools. Tool free depth adjustments of plus or minus 3 mm provide front-to-back tuning, helping bring the drawer front flush to the cabinet face frame. Tool free side adjustments of plus or minus 1.5 mm are built in, which supports fine lateral alignment when matching adjacent drawer fronts. Drawer thickness from 12 mm (1/2 inch) to 16 mm (5/8 inch) is supported, allowing the same model to be applied across common drawer side stock choices in a shop.

    Using Salice F70 Slides In Cabinet Projects

    Where These Undermount Slides Are Applied

    The Salice F70 21 inch soft close full extension undermount drawer slides are specified for face frame cabinetry using the Progressa Plus soft close system, so they fit projects that call for concealed slides with a smooth closing action. With a 150 lbs dynamic and 170 lbs static load capacity, these slides serve drawers that will carry significant weight, such as kitchen, shop, or storage drawers that see heavy contents. The synchronized mechanism supports wider drawers where equal movement on both sides helps maintain smooth travel. Drawer side thickness from 12 mm to 16 mm covers typical 1/2 inch and 5/8 inch materials, making the slide suitable for many standard cabinet drawer constructions in professional shops.

    How Adjustability Supports Repeatable Results

    These Salice America undermount slides combine elongated mounting holes with integrated tool free adjustments for height, depth, and side shift, which gives installers multiple ways to correct alignment without removing the hardware. Height adjustment of plus 2.5 mm allows quick vertical tuning of the drawer front, and side adjustment of plus or minus 1.5 mm refines left-right positioning to get even reveals. Depth adjustment of plus or minus 3 mm lets the front sit properly relative to the face frame, helping prevent proud or recessed fronts. Enhanced smooth soft closing action and the synchronized full extension mechanism work together so that after fine tuning, the drawer closes evenly to the same position each time. Adjustable clips and a special clip for narrow drawers make it easier to repeat the same alignment process across a bank of drawers, because drawers can be removed and reinstalled while retaining slide settings.

    Common Questions About Salice F70 UBF70FFSC-21 Slides

    What type of drawer slide is the Salice F70 UBF70FFSC-21?

    The Salice F70 UBF70FFSC-21 is a 21 inch soft close full extension undermount drawer slide, which keeps hardware concealed under the drawer for a clean cabinet interior.

    How much weight can these Salice F70 undermount slides support?

    The slides provide 150 lbs dynamic and 170 lbs static load capacity, so they handle heavier drawer contents while maintaining movement during use and support when drawers are closed.

    What drawer thickness works with these 21 inch slides?

    The Salice F70 21 inch slides work with drawer sides from 12 mm (1/2 inch) to 16 mm (5/8 inch), covering common material thicknesses used in cabinet drawers.

    How do the tool free adjustments on these slides help installation?

    The Salice F70 slides offer tool free height, depth, and side adjustments, which lets installers fine tune drawer front reveals directly on the cabinet without separate adjustment tools.

    What is the benefit of the synchronized mechanism on these drawer slides?

    The synchronized mechanism coordinates both slide members, helping drawers open and close smoothly and evenly, which is valuable on wider drawers carrying distributed loads.

    Where are these Salice F70 Progressa Plus slides manufactured?

    These Salice F70 Progressa Plus slides are 100 percent made in Italy, giving shops a clearly identified origin when specifying hardware for cabinetry projects.

    Selecting Salice F70 Slides For Your Next Build

    The Salice F70 21 inch soft close full extension undermount drawer slides, model UBF70FFSC-21, combine face frame suitability, high load ratings, and multiple tool free adjustments to support precise drawer alignment. The zinc Salice America slides use a synchronized mechanism and enhanced smooth soft closing action, which helps produce consistent movement across a bank of drawers. With support for 12 mm to 16 mm drawer thickness, the same slide model can be applied across many cabinet lines. For projects that demand concealed undermount hardware with defined load and adjustment capabilities, this 21 inch Progressa Plus F70 slide offers a clearly specified option to standardize on.

    Drawer Length (in)
    21 in
    Product Type
    Undermount Drawer Slide
    Motion Technology
    Soft-close
    Extension
    Full extension
    Weight Capacity
    170 lb
    For Drawer Thickness
    1/2-5/8 in
    Cabinet Type
    Face-frame, Frameless
    Material Type
    Steel
    Maximum Drawer Thickness
    5/8 in
    Minimum Drawer Thickness
    1/2 in
    Color/Finish
    Zinc
    Manufacturer Series
    F70
    Supplier Pack Size
    10
    Sold In
    1
    Drawer Length (in)
    21 in
    Product Type
    Undermount Drawer Slide
    Motion Technology
    Soft-close
    Extension
    Full extension
    Weight Capacity
    170 lb
    For Drawer Thickness
    1/2-5/8 in
    Cabinet Type
    Face-frame, Frameless
    Material Type
    Steel
    Maximum Drawer Thickness
    5/8 in
    Minimum Drawer Thickness
    1/2 in
    Color/Finish
    Zinc
    Manufacturer Series
    F70
    Supplier Pack Size
    10
    Sold In
    1
    18 in21 in
    Face-frameFace-frame, Frameless
    Salice America
    $57.24/Set
    Salice F70 21" Soft-Close Full Extension Undermount Drawer Slides, Zinc - UBF70FFSC-21
    Item# UBF70FFSC-21 / MFR Part # UBF70FFSC-21
    Set
    Set
    In Stock

    Sold In: 1 Set

    Set

    Locking Device Options

    Rear Mounting Bracket Options

    Tilt Adjustment Levers

    Drilling Template

    Quantity
    Unit Price
    Catalog
    Sold in: 1 Each
    UBF70-TEMPLATE
    Mfr# ASGD704U3XA
    F70 Drilling Template For F70 Undermount Drawer Slides
    Quantity
    Unit Price
    Catalog
    Sold in: 1 Set
    UBF70CLIP-SLR
    Mfr# UBF70CLIP-SLR
    F70 Adjustable Front Locking Devices Standard Mount, Left Right Front Locking Device
    Sold in: 1 Set
    UBF70CLIP-VLR
    Mfr# UBF70CLIP-VLR
    F70 Adjustable Front Locking Devices Vertical Mount, Left Right Front Locking Device
    Sold in: 1 Set
    UBF70CLIP-NLR
    Mfr# UBF70CLIP-NLR
    F70 Adjustable Front Locking Devices Narrow Mount, Left Right Front Locking Device
    Quantity
    Unit Price
    Catalog
    Sold in: 1 Each
    UBF70-SRB
    Mfr# AGSK7C5B
    F70 Standard Rear Mounting Bracket, Steel
    Sold in: 1 Each
    UBF70-NRB
    Mfr# AGSK7R5B
    F70 Narrow Rear Mounting Bracket, Steel
    Quantity
    Unit Price
    Catalog
    Sold in: 1 Set
    UBF70TILT-LR
    Mfr# AGLRXX3F
    F70 Tilt Adjustment Levers Set - 3mm Tilt