M45X4.5 Hex Bolt

M45X4.5 Hex Head Cap Screw - A2-50 Stainless DIN 931/933

Hexagonal head bolts are one of the most commonly used fasteners, available in full thread or partial thread configurations. 

Partially threaded hex bolts have an unthreaded length under the head that is stronger than the threaded portion of the bolt. The unthreaded / threaded length dimensions vary by specification. Fully threaded hex bolts are often referred to as tap bolts, the entire length of the bolt is meant to engage with a tapped hole.

Hex bolts can be used with many different styles of locking and non-locking nuts to clamp tightly to whatever the bolt is being used to secure. A wrench is used to install and tighten hex bolts. To be used with locking or non-locking nuts or in a tapped hole.

Material: A2 / SAE Type 303 

A2 / 303 / 18-8 Stainless Steel fasteners are best for general use applications. They have good chemical resistance and are suitable for use in damp environments, popular across a wide range of industries: automotive, agriculture, medical, food and beverage processing, clean energy, etc.

Per DIN EN ISO 3506: A2-50 austenitic stainless steel specifically refers to a tensile strength of at least 500 N/mm2.

For any application involving marine (salt water) or requirements for higher grade corrosion resistance, use A4 / 316 Stainless Steel. A wide arrange of box quantity, special order A4 stainless steel fasteners are available in our Special Order category. 

Also known as Corrosion resistant hexagonal head screw, six sided head screw with machine thread, appliance machine tap bolts.