UNF #4-40 to 1 1/2"-6 size stainless steel 304 thread insert coilthread
Threaded Inserts are cylindrical, metal bushings with features on the outside which lock them into a plastic or metal base material to anchor your fasteners.
ZOHA threaded Inserts provide high-quality, permanent, wear-resistant internal threads and are designed to be installed in molded or drilled holes in one simple step.
Material & Coatings:
Zoha thread inserts are made from a range of materials and with various coatings to suit virtually any type of equipment manufacturing.
Material Type | Material Grade | Min. Tensile Strength at 20 ℃ | Max. Operating Temperature* | Typical Applications | Surface Coatings |
Stainless Steel 304 321 316L | 0Cr18Ni9/0Cr19Ni9 1Cr18Ni9Ti 00Cr17Ni14Mo2 | >1400Mpa | 425℃ Short time 315℃ Long-term | All normal applications in all materials / Improved corrosion resistance / Salt water applications | No plating Dry lubrication film Cadmium plating Sliver plating |
Phosphor Bronze | QSn6.5-0.4 (CuSn6, C51900, C5191) | >1000Mpa | 300℃ Short time 250℃ Long-term | Copper parts / High resistance to some electrolytic couples | No plating Cadmium plating |
Iron Alloy | Nitronic 60 (AISI/ASTM Alloy 218, UNS S21800, HPA 50) | >1400Mpa | 425℃ Short time 315℃ Long-term | Valve Stems Pins / Brushes Roller bearings / Pump shafts and rings / Thread inserts / Fasteners | No plating Dry film lubricant |
High Temperature Alloy | Inconel X 750 (UNS N07750) Nimonic 90 (UNS N09901) | >1400Mpa | 750℃ Short time 550℃ Long-term | Aerospace / Turbines / Corrosive Atmospheres / High temperature use | No plating Sliver plating |
(*) indicative values |


Package of UNF #4-40 to 1 1/2"-6 size stainless steel 304 thread insert coilthread

Package: Usually packed in boxes or bags, can be packed according to customer requirements.
Delivery: Usually within 3-5 working days after receipt of payment.