tubular rivets

Burn Module

Machined base and fence

The taper is "1 to 16"

due to the easily interchangeable faces

Spark Plug Bottoming HSS by Bordo Surface Preparation / Cleaner tubular rivetsHSS Metric Fine Bottoming Hand and Machine Tap. Metric Fine angle of thread is 60 degrees. The crest is flat and the thread has clearance at the root allowing external thread and internal thread to engage well. Larger root radius and lower thread height enable easy screw thread processing and increase thread screw strength. The major diameter of external thread and pitch are specified by a simple numerical value (most commonly measured in