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300 to 450mm, and we see most orders for 400mm since it fits standdard depth keyboard trays—pricing runs about $2.50 per set for samples, $1.80 in the mid-range of 500 units, and our company can get under $1.20 when you're pushing 5,000 or more, and that's where the real value is.
We've had these on workstations handling CAD keyboards and drafting table drawers that get opened 40 times a day—the 15kg load capacty is overkill here but it keeps the motion steady; what it does is outlast cheap shelving slides by a few years, honestly.
Teh 1.2mm cold rolled steel is work hardened so you don't get that flex problem in longer spans, and the zinc or black finish holds up fine unless you're in a salt spray enviroment (check our TDS for that), but for office furniture or home workshop cabinets it's pretty much bulletproof.
You'll want to confirm your instalation gap is 9.8mm give or take 0.2 since curved balls run tight—some e-commerce sellers with generic 27mm slides leave that spec off and then you're shimming with washers, which we've seen frequently.
Actually, most buyers go with black for the keyboard drawer application because it hides finger oils better than zinc, though the zinc option is easier to wipe clean for labs; we usually have both finishes in stock for the common lengths but lead time is about 10 working days or so if we need to roll special sizes.
It's rated for 15kg per pair, so it can handle a typical heavy-duty keyboard drawer with a full-size mechanical keyboard plus some accessories without issues.
Yes, the required installation gap is 9.8mm ±0.2mm. If your gap is tighter or wider, the balls may bind or the rail may rattle, so measure carefully before mounting.
Both finishes are available – zinc plated for a standard look or black for a more hidden, sleek appearance. Just specify which one you need when ordering.
Our MOQ is typically 100 pairs per length and finish combination, but for smaller trial orders we can sometimes accommodate 50 pairs. Check with your sales contact.
Yes, we can include ISO 9001 certification copies with your order upon request. Just let us know before shipping and we'll attach them to the packing list.
Unbelievably fast shipping! The package arrived much sooner than the estimated delivery date, which was a fantastic surprise. Upon inspection, the quality of these steel ball bearing slide rails is immediately apparent. They feel incredibly solid and robust, exactly as described for heavy-duty use. The finish is smooth with no visible burrs or imperfections. Communication from the seller was clear and proactive, providing a tracking update without me having to ask. While I haven’t installed them yet, the initial impression based on build and packaging is extremely positive. They were well-protected in the box with adequate padding. The ordering process was straightforward, and any questions I had prior to purchasing were answered promptly and courteously. Overall, a very satisfactory experience from start to finish regarding the logistics, the apparent quality of the hardware, and the customer service provided. I would not hesitate to order from this seller again for similar furniture hardware needs.
Zippy delivery was the first thing that impressed me. The package arrived well ahead of the estimated schedule, which was a fantastic start. The packaging itself was exceptionally secure, with no signs of damage or compromise during transit. Every component was individually wrapped and cushioned, demonstrating real care in preventing shipping-related issues. This attention to logistical detail immediately set a positive tone. Regarding the product's physical attributes, the build quality is genuinely robust. These slides have a substantial, weighty feel that inspires confidence. The steel is thick and the ball bearings roll with a smooth, consistent motion that feels both precise and powerful. There is no wobble or play in the mechanism, which is exactly what one hopes for with hardware labeled 'heavy duty.' The finish is even and clean, with no sharp burrs or manufacturing imperfections visible. They seem engineered to handle a significant load without complaint, matching their description perfectly. The service aspect, though my interaction was minimal, was efficient and professional. The ordering process was straightforward, and confirmation communications were clear and timely. While I didn't need to contact customer support, the overall impression is of a seller that has its operational processes well organized. The combination of rapid logistics and a product that appears to be manufactured to a high standard speaks volumes. It's a transaction that felt seamless from purchase to unboxing. For anyone needing reliable, sturdy slides, this experience suggests these are a very solid choice, backed by what seems to be a dependable supply chain.
Yikes, the shipping was incredibly fast, arriving well before the estimated date, which was a fantastic surprise. The packaging was secure and professional, with no signs of damage during transit. Regarding the quality, these slides feel exceptionally robust and substantial. The steel construction is solid, and the ball bearings operate with a smooth, quiet, and consistent motion, exactly as one would hope for a heavy-duty application. The finish is clean and appears durable. Customer service was responsive and helpful when I had a pre-purchase question about length compatibility. They provided clear information promptly. Overall, a very positive experience from order to delivery. The product seems perfectly suited for its intended purpose, and the entire process was handled efficiently and professionally.
Bearing the weight of my expectations with absolute ease, this slide rail system is a marvel of functional hardware. The delivery was impressively swift, arriving well ahead of the projected schedule, which was a fantastic start. Packaging was secure and professional, ensuring every component was perfectly protected. Upon inspection, the build quality is immediately apparent; the steel feels substantial and robust, with a smooth, consistent finish. The ball bearings operate with a whisper-quiet and incredibly fluid motion, promising the kind of durability needed for a heavy-duty application. While I haven't installed them yet, the precision of the machining and the heft in hand inspire complete confidence. Customer service was proactive, providing clear tracking information without any prompting. This purchase experience, from the seamless logistics to the tangible quality of the product, has been thoroughly positive and exceeds what one typically encounters online. These slides appear to be a premium solution that justifies its designation for serious furniture projects.
Naturally, I must begin by commending the exceptional shipping speed. The order was processed and dispatched with remarkable efficiency, arriving well ahead of the estimated delivery window. The packaging was robust and secure, leaving no room for damage during transit—a critical point for hardware of this nature. Regarding the product quality, the steel feels substantial and precisely machined. The ball bearings roll with a satisfying smoothness and silence, indicative of solid construction. There is a notable heft to these slides that inspires confidence for heavy-duty applications. The finish is even and appears durable. As for customer service, my pre-purchase inquiry was answered promptly and thoroughly, providing clear specifications that matched the product received. The overall experience from browsing to unboxing was seamless and professional. This level of attention to logistics, product integrity, and support is what transforms a simple purchase into a reliable partnership for future projects. Highly satisfactory on all fronts.
Delivered much faster than anticipated, which was a pleasant surprise. The packaging was secure and protected the contents adequately during transit. Upon inspection, the build quality feels exceptionally robust and substantial, exactly as described for heavy-duty use. The steel has a good finish with no visible burrs or imperfections. Customer service was responsive when I had a pre-shipment inquiry, providing clear and helpful information. The slides operate very smoothly and quietly, which is a critical factor for furniture hardware. Overall, a very satisfactory purchase experience from order to delivery. The product seems durable and well-made, instilling confidence for long-term use in a demanding application. The seller appears reliable and the logistics were handled efficiently.
Jaw-droppingly fast delivery! The package arrived two days earlier than the estimated date, which was a fantastic surprise. The packaging was incredibly secure and professional, with no signs of damage whatsoever. Jumping to the quality, these slides feel absolutely solid and substantial. The steel is thick, the ball bearings roll with a satisfyingly smooth and quiet action, and the finish is clean and consistent. Just from handling them, you can tell they are built for serious weight. Regarding service, the communication was prompt and helpful. I had a quick question about compatibility, and the response was clear and received within hours. A genuinely positive experience from start to finish. Highly recommended for anyone needing robust hardware.
Excellent experience overall. The shipping was surprisingly fast, arriving well ahead of the estimated delivery window. The packaging was secure and professional, with no signs of damage during transit. Regarding the product itself, the build quality feels exceptionally robust and substantial. The steel is thick and the ball bearings roll with a satisfyingly smooth and quiet action, exactly what you would want for a heavy-duty application. Customer service was also responsive when I had a pre-sale question about compatibility, providing clear and helpful information promptly. Everything from ordering to delivery was handled efficiently. A very positive purchase for a critical hardware component.
Just received my order and the shipping was incredibly fast. The packaging was secure and everything arrived in perfect condition. The quality of these slides feels very sturdy and well-made, exactly as described for heavy-duty use. The service from the seller was prompt and helpful when I had a pre-sale question. Overall, a very smooth and satisfactory transaction from start to finish. I would definitely recommend this seller and product to others looking for reliable hardware. The communication was clear and the entire process was hassle-free. It’s always a pleasure to deal with professional and efficient companies like this one. The product seems perfect for my project and I have no complaints whatsoever. Great experience all around.
Bought these slides for a custom keyboard drawer project. The shipping was surprisingly fast, arriving well ahead of the estimated delivery window. The packaging was secure, with no damage to the product. Upon inspection, the build quality feels very robust. The steel is thick and the ball bearings roll smoothly with no gritty feeling. The finish is even and looks durable. Customer service was responsive when I had a pre-purchase question about load capacity. They answered promptly and accurately. Overall, a very positive experience from order to delivery. The product seems exactly as described—heavy-duty and well-made. Would consider purchasing from this seller again for similar hardware needs.
