Diamond drill bit D-44 size 3.5*10.0

 The Diamond Nail Drill Bit D44 in a Tapered Barrel (Half Cone) shape is a must-have tool for professional manicure and pedicure procedures. Based on the popular D-43 design, this model features a wider working head, offering enhanced control, visibility, and efficiency—especially for technicians who prefer longer bits for detailed work.

Designed for precision and durability, the D44 bit is ideal for cuticle work, nail plate preparation, sidewall treatment, and pedicure procedures.

Key Benefits

• Tapered barrel (half cone) shape for controlled, precise work
• Wider head for increased surface coverage and efficiency
• High-quality diamond coating for long-lasting performance
• Suitable for manicure, pedicure, and podiatry-style treatments
• Compatible with all standard 3/32″ (2.35 mm) nail drill machines

Available Grit Options

Fine (Red) – Delicate Skin & Precision Work

• Treats pterygium gently
• Lifts non-adherent cuticles
• Safely opens sinuses
• Cleans periungual sinuses with minimal trauma

Medium (Blue) – Versatile Professional Use

• Lifts non-adherent cuticles efficiently
• Opens sinuses with control
• Processes side rollers precisely
• Shapes and smooths nail edges for rounded corners

Coarse (Green) – Intensive Nail & Pedicure Care

• Cleans and shapes the nail plate
• Removes dense cuticles
• Cleans nail grooves
• Treats hyperkeratosis during pedicures
• Smooths thick toenails and processes natural nail edges

Maintenance 

For safe, long-term use:

• Wash, clean, sterilize, and thoroughly dry the bit after each client
• Disinfect using a solution containing at least 70% alcohol

Specifications

• Maximum Speed: Up to 25,000 RPM
• Shank Diameter: 3/32″ (2.35 mm)
• Head Size: 3.5 × 10 mm
• Bit Shape: Tapered Barrel (Half Cone)
• Material: Diamond head, stainless steel shank

US + Canada:

• All orders are processed within 1-4 business days.
• Regular shipping cost is $8 for orders below $99 and free for orders of $99 or more.
• Express shipping cost is $20 for orders below $99 and $12 for orders of $99 or more.
• We ship all orders with a tracking number and require a signature for larger orders.
• Please note that we are not responsible for any lost or stolen items during shipping.

Worldwide:

• All orders are processed within 2-5 business days.
• Shipping costs depend on the location and will be calculated at checkout.
• We ship all orders with a tracking number.
• Please note that we are not responsible for any lost or stolen items during shipping.

Returns:

• We generally do not accept returns for U-tools products as they fall under the category of personal care goods (beauty products), unless there is a manufacturer's defect.
• However, if you have ordered the wrong item, we are open to discussing your options on an individual basis. Please contact us at hello@u-tools.ca to discuss your situation.
• If you decide to return an item that is not due to a fault on our part, a shipping fee and restocking fee may be deducted from the refund.

Please keep in mind that shipping may be delayed due to factors beyond our control, such as postal service delays or high volume of orders. We will do our best to ensure timely delivery, but such delays are not within our responsibility.

If you have any further questions or need additional assistance, please let us know!