Firmakes Titanium manufactures and inventories Hex Head Bolts in various head styles from 1/4” to 2” diameter. Hex Head Machine Screws are also available in sizes from 2-56 to ¼” diameter. Metric hex head bolts are also available upon request. These Hex Bolts/Machine Screws are available in various lengths with full or partial thread options. Our inventory is home to thousands of these fasteners in any of our various materials like grade 2 titanium, grade 5 titanium, grade 7 titanium.