These socket button head cap screws have threads along the entire length and have a hex drive allowing high torque perfect for clamping machinery parts together.
Bolts 1/4 X 1-1/4 Hx Lag Blt St-zn (Jar 100 )
Bolts 5/16 X 4 Hx Lag Blt SS (Jar 50)
Bolts 5/16 X 1-1/2 Hx Lag Blt St-zn (Jar 100 )
Bolts 1/2-13 X 2-1/4 Hxbt Galv (Jar 50)
Bolts 1/2-13 X 1-1/4 Hxbt St-zn (Jar 50)
Bolts 1/2-13 x 2-1/2 HXBT Pln-St (Jar 50)
Bolts 3/8-16 x 3-1/2 HXBT Galv (Jar 50)
Metallics EWR-JBHC21G Bolt 5/8-11 x 1 HXBT GALV (Jar 50)
https://testing.nsiindustries.com/product/metallics-ewr-jbhc21g-bolt-5-8-11-x-1-hxbt-galv-jar-50/
Bolt 5/8-11 x 1 HXBT GALV (Jar 50)
Metallics EWR-JBHC21 Bolts 5/8-11 X 1 Hxbt St-zn (Jar 50)
https://testing.nsiindustries.com/product/metallics-ewr-jbhc21-bolts-5-8-11-x-1-hxbt-st-zn-jar-50/
Bolts 5/8-11 X 1 Hxbt St-zn (Jar 50)