







homdiy 21 Inch Undermount Soft Close Drawer Slides Hidden Rails 1 Pair
US$68.38
Arrives as soon as ✓ Free shipping over $200Description
Product Details Color: Silver Mounting Type: Under Mount Included Components: undermount drawer slides,rear mounting brackets, 1D adjustable locking device, mounting screws and instructions Nu...
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Free shipping $200+
Orders of $200 or more ship free. No code needed.
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Product Details
- Color: Silver
- Mounting Type: Under Mount
- Included Components: undermount drawer slides,rear mounting brackets, 1D adjustable locking device, mounting screws and instructions
- Number of Items: 1
- Unit Count: 1 Count
- Model Number: SL0145SL21HD-1
- Number of Packs: 1
- Material Type: Alloy Steel
- Item Dimensions L x W x Thickness: 21.38"L x 1"W x 1"Th
- Item Highlight: Heavy Duty Steel Cabinet Slides 100LB, Full Extension Concealed Bottom Mount Runners with Locking Devices&Rear mount Bracket
- Finish Types: Zinc Plated
- Maximum Weight Capacity: 100 pounds
- Drawer Type: Under Mounted Slide
About this item
- Whisper-Quiet Soft Close--Upgraded with a dual-spring hydraulic damper, these soft close undermount drawer slides ensure a smooth, silent, and slam-free glide. Protects your delicate glassware and maintains a peaceful home environment—tested for 100,000+ open-close cycles
- Full Extension & 1D Alignment--Maximize your storage space with full-extension drawer rails that grant total access to deep cabinet corners. Features 1D adjustable locking devices for easy height fine-tuning ($0-3mm$) to eliminate gaps and installation errors effortlessly
- 100 lbs Heavy Duty & Invisible--Crafted from thickened cold-rolled steel, these heavy duty drawer slides support up to 100 lbs (45kg) without sagging. The bottom mount concealed design hides the hardware completely, preserving a clean, high-end aesthetic
- Universal Fit for 1/2" to 3/4" Panels--Designed with a wider throat, they are optimized for premium 3/4" (19mm) drawer sides while fully compatible with 5/8" and 1/2" panels. Works perfectly for both Face Frame and Frameless cabinets
- Complete Kit & Tool-Free Removal--Includes 1 pair of slides, rear brackets, 1D locking devices, screws, and a manual. Features a quick-release lever for tool-free drawer removal and maintenance. Backed by lifetime support and hassle-free replacement
Shipping Policy
Flintby ships from the United States.
Most orders leave the warehouse within 1 business day and arrive in 2–7 business days.
- Free shipping on orders of $200 or more, applied automatically
- Otherwise shipping is a flat $6.90
- Your tracking number is emailed as soon as your order ships
- We currently ship to the lower 48 United States
Return policy
30-day returns.
If it's not quite right, you can request a return within 30 days of delivery, and Flintby will email you return instructions. Change-of-mind returns must be unused, unassembled, and in their original packaging. There is no restocking fee. Depending on the item's packaged size and weight and how it needs to be collected, a change-of-mind return may have a return shipping or pickup cost. We only deduct the actual cost: we tell you the exact amount and get your OK before arranging a paid return, and if there is no cost, nothing is deducted. Returns for damaged, defective, or incorrect items are free.
How it works
- Email us at support@flintby.com with your order number.
- We send your return instructions within 1 business day, along with any return shipping cost so you can decide.
- Your refund goes back to your original payment method within 10 business days of the carrier scan.
Damaged or defective on arrival? Send a photo and Flintby replaces or refunds immediately, return shipping on us, and in most cases you won't need to send anything back.








