Unless you're reading this from China, you probably don't have much invested in these markets. Foreigners own just 1.5% of Chinese shares, according to Capital Economics. That number is growing, but only very gradually. 2) For Chinese investors, however, it's been a very wild ride.
(4) You must ensure that a standard toeboard is a minimum of 4 inches nominal in vertical height from its top edge to the level of the floor, platform, runway, or ramp. It must be securely fastened in place and with not more than 1/4-inch clearance above floor level.
The UN specification specifies that the common height of a thread should be 5/8th of this maximum height. 75% to 80% thread roughly equals 5/8th of this maximum height. NOTE: If tapping idfficult to machine materials or using small taps, use a lower thread percentage such as 60% to 70%.