Small hole drilling

1111-26721-10/7-40-21 1111-28721-10/7-40-21 1111-30722-13.5/8-40-14 1111-30722-13.5/8-40-13 1111-32722-13.5/8-40-14 1111-327

Adavantage :

1. High fatiue strength and tougness.

2.The crushing ability is strong, the rock drilling speed is fast, and it is convenient for grinding.

Application:Mines, tunnels, water conservancy

Part number length Bit diameter Plug hole integral steel H19*82mm 5H19-201308-0210-40-2 210 20 Plug hole integral steel H19*82m

Part number length Bit diameter Plug hole integral steel H19*108mm 5H19-171308-0210-40-2 210 17 Plug hole integral steel H19*10

Part No. Length Bit diameter 5H19-291508-0400-40-2 400 29 5H19-291508-0500-40-2 500 29 5H19-281508-0800-40-2 800 28