Brazed Double-layer Diamond Chamfering Grinding Bit

Brazed diamond double-layer grinding bits (hole saws) are commonly used for drilling, enlarging holes, smoothing rough edges, and chamfering materials such as ceramic tiles, porcelain tiles, sintered stone, quartz, engineered stone, and natural stone. Featuring a design that combines a semi-circular edge with a tapered edge, a single brazed diamond bit can perform multiple tasks-offering great convenience to workers.

(It can be used for expanding holes or trimming edges)

It can be mounted on handheld grinders-such as angle grinders-and is suitable for use in the home improvement market, as well as in facilities that manufacture various stone products.

The product can be listed for sale on e-commerce platforms within the hardware and tools category, and it is also well-suited for distribution through building materials, hardware, and specialized stone-industry markets. For bulk orders, please contact huicetools.

• Other specifications can be customized according to user needs;
• We provide solutions for different thread conversion rods such as M14, M10, M16, 5/8-11, which are compatible with multiple machines;
• Friends who need to transfer poles, please contact customer service personnel.

Manual measurement of dimensions may result in some errors. The actual situation shall prevail.

Items are packed in plastic bags to provide moisture protection and prevent surface scratches. The outer packaging consists of a cardboard box to protect against impact.
40 boxes per carton
32 boxes per carton

We offer a variety of shipping solutions.

1. For small-batch orders, we typically use the DDP (Delivered Duty Paid) method, which includes all taxes and shipping costs, with delivery to the customer in approximately 13–18 days.
2. If you need the items urgently, we can arrange shipment via DHL or FedEx, with delivery in approximately 5–7 days. (Customers in Europe will need to provide a VAT number.)
3. For large-volume orders, we can utilize air freight, sea freight, or multimodal sea-and-express shipping options to help save on freight costs.

We sign a contract with the client for every order, regardless of its size.
We strictly fulfill our supply obligations in accordance with the terms of the contract.
Ordering Process
1. Consultation – Via email or other communication channels (including, but not limited to, WhatsApp).
2. Contract Signing – Our customer service team will verify all details-especially product specifications-with you before the contract is signed.
3. Payment – ​​We accept various payment methods, including T/T, PayPal, PingPong, and credit cards.
4. Shipment – ​​We offer multiple shipping options, such as courier, sea freight, and air freight. We also provide supporting documentation, including Certificates of Origin.
5. After-Sales Service – With 20 years of industry experience, we provide long-term online after-sales support to all our clients. We are here to assist with any post-purchase issues, and on-site support is available in select regions.

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