• Designed to drill holes on concrete, brick, mortar, and stone.
• Bit Lengths: 4-3/8 in., 6-1/4 in., 8-1/4 in., 10-1/4 in., 17-3/4 in.
• Bit Diameters: 1/4 in., 5/16 in., 3/8 in., 1/2 in., 9/16 in., 3/4 in., 9/16 in.
• Heat-treated carbon steel with carbide cutting tips and sandblasted finished.

Other Main products

Pentaerythritol Ester is a kind of saturated polyol ester POE produced by pentaerythritol, high and low carbon fatty acid. It can solely blended with other synthetic material, also can be used with PAO and mineral Base Oil. It can be used in super lower temperature ICE engine oil, aviation gas turbine oil and environment protection type refrigerated compressor oil. It is suitable for cooling medium R-22.R-32.R-134a.R-507.R-407C and R-410A. Also can be used as base oil in various fully synthetic or semi-synthetic lubricant, as well as in high and low temperature grease for harsh condition food processing industry.

Pentaerythritol Ester Base Oil

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