Step drill for counterboring with a flat tip.
It suppresses burr generation with a flat shape. A lineup for flat head screws, small screws, and hex socket bolts. The Aqua EX coating further enhances heat resistance and wear resistance.
Inquire About This Product
basic information
Material: Ultra-hard alloy Surface material: AQEX (AlCrTi-based film + lubricant film) coating Tip angle: 180° [Specific distributor product - Original]
Price range
Delivery Time
P1
Applications/Examples of results
◎General structural rolled steel, carbon steel, alloy steel, pre-hardened steel, ○cast iron
Detailed information
-
AQDEXZ-HCD For countersinking small screws Twist angle: 22° to 25° Sizes: M3, M4, M5, M6, M8 (total of 5 items)
-
AQDEXZ-SCD For small screw counterboring processing Twist angle: 23° Sizes: M3, M4, M5, M6, M8 (total of 5 items)
-
AQDEXZ-RCD Hexagon socket bolt countersink processing Twist angle: 22° to 25° Sizes: M3, M4, M5, M6, M8, M10, M12 (total of 7 items)
catalog（1）
Download All Catalogs
Company information
Tokyo Yamakatsu Co., Ltd. was established in 1975 and has been supporting Japanese manufacturing by specializing in cutting tools since its founding. We offer a wide range of products, including end mills, drills, taps, and reamers from top domestic cutting tool manufacturers. Additionally, we have added original products in sizes and shapes outside of standard manufacturer specifications to our lineup, allowing us to respond meticulously to our customers' requests.
