HLC Crown Drill 28-70mm 3D/5D/8D/10D for Stainless Steel Deep-Hole Drilling

Product overview

The HLC Crown Drill is designed for precision and deep-hole machining in stainless steel and other compatible metalworking applications. Available in diameters from 28mm to 70mm, the system supports drilling depths of 3D, 5D, 8D and 10D to meet different CNC machining requirements. The interchangeable cutting design allows the cutting head or insert to be replaced without changing the complete drill body, helping reduce tooling costs and simplify maintenance. The round-shank construction and heat-treated tool body provide a practical solution for industrial drilling applications requiring stable cutting performance and consistent hole quality. Custom diameters, working lengths and drilling depths are available for different machining conditions. Key Features: • HLC crown drill system • Diameter range: 28mm to 70mm • Drilling depths: 3D / 5D / 8D / 10D • Suitable for deep-hole drilling • Designed for stainless steel and metal machining • Interchangeable cutting insert/head design • Round shank configuration • Heat-treated tool body • Multiple working lengths available • OEM, ODM and OBM customization supported • Custom diameters and drilling depths available Applications: • Stainless steel drilling • Deep-hole machining • CNC machining centers • Industrial metalworking • Machinery components • Equipment manufacturing • Precision hole production

Specifications

Product Type

HLC Crown Drill

Drill Type

Interchangeable Drill Bit

Series

HLC

Diameter Range

28-70mm

Drilling Depth

3D / 5D / 8D / 10D

Working Length

50-630mm

Shank Type

Round Shank

Tool Material

M42

Insert Type

HLC + WC

Application

Stainless Steel & Metal Deep-Hole Drilling

Manufacturing Process

Heat Treatment

Surface Finish

Plated Finish

Place of Origin

Guangdong, China

Package Size

43 × 23 × 23 cm

Gross Weight

0.72kg