1. Adapter for Core Bits-5/8-Inch-11 to 3/8-Inch Triangle Shank

2. Transform 5/8"-11 or M14 female arbor to 3/8" triangle male shank

• Fits all tools with 5/8-11 female or M14 thread
• Usually for diamond core bits and back holders

3. Why Choose Us?

Q1: What is the biggest advantage compared to the rivals?
A1: We are one of the strongest power tool accessories and hand tools suppliers in China.

Q2: What about the payment and delivery time?
A2: Delivery time: 45days after your down payment.
Payment: Trade Assurance, T/T, ETC.
100% protection for product quality, on-time shipment and payment.

Q3: Can I get some samples?
A3: Yes, we are honored to offer you samples for quality check at your freight cost.

JDR Diamond Tools Co., Ltd is backed up by Jiangyin Jingrui Diamond Tools Factory. , a leading manufacturer of electro-plated diamond saw blades, diamond polishing pads, diamond core drill bits, diamond hole saws,diamond files,diamond pins, diamond grinding wheels,diamond cup wheel,diamond router bits,diamond profiling wheels and other diamond tools in China which is located in the famous city of Jiangyin.
To supply tools of the highest quality with the best possible service and to ensure that every tool offers unbeatable value, have been the simple objectives of our founders since 1999, and are the foundation stones of our business philosophy.
Quality is the guiding principle for our highly experienced development team. Only when their quality is proven and guaranteed are the tools released for sale. By listening carefully to customers' feedbacks, continual product enhancements improve not only quality but also performance and ease of use.
We provide not only tools, but also service. Our focus is on both production of foreign customers' requesting tools, and sourcing the right tools from China they need. Fast response to sample enquiries, rapid order processing and on time delivery ensures that customers' requirements are accurately and consistently satisfied, while this is guaranteed by years exporting experience in the field.
Our company has a well deserved reputation for offering outstanding value. Our China-wide sourcing capability, together with in-house design and development facilities further contribute to ensuring that all JDR's tools set the standard for value. By the good quality and competitive price, as well as the best service, JDR's tools have reached all over the world.