Evolution GH Heads

Tuffaloy GH Heads Header

Tuffaloy’s EVOLUTION™ series of nut and stud electrodes are built for demanding automotive and industrial projection welding applications where life and performance are critical. Manufactured to Tuffaloy’s high quality standards, these electrodes offer the industry’s best value with improved wear resistance and high current carrying capabilities. The stainless-steel bushing is wear-resistant and allows for improved redressing in applications where allowed. Standard Copper Tungsten (10W) weld faces, bodies offered in Class 2 and Class 3 alloy and available in all GH2, GH3 and GH4 sizes.

PartDescription Face Refractory Material Base RWMA Material Type Thread Overall Length Hex Size Weld Face Diameter Insert ID Refractory Material Thickness Unit of Measure
175-GH-2-241-SS  
GH-2-241-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.24100 0.250 IN
175-GH-3-354-SS  
GH-3-354-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.250 0.35400 0.250 IN
175-GH-2-274-SS  
GH-2-274-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 .875 0.27400 0.250 IN
175-GH-4-640-SS  
GH-4-640-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 1 1/8 - 12 1.12500 1.62500 1.500 0.64000 0.250 IN
175-GH-3-448-SS  
GH-3-448-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.250 0.44800 0.250 IN
175-GH-3-265-SS  
GH-3-265-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.250 0.26500 0.250 IN
175-GH-3-343-SS  
GH-3-343-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.250 0.34300 0.250 IN
175-GH-2-318-SS  
GH-2-318-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 .875 0.31800 0.250 IN
175-GH-3-246-SS  
GH-3-246-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.250 0.24600 0.250 IN
175-GH-3-355-SS  
GH-3-355-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.250 0.35500 0.250 IN
175-GH-3-325-SS  
GH-3-325-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.250 0.32500 0.250 IN
175-GH-3-493-SS  
GH-3-493-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.250 0.49300 0.250 IN
175-GH-3-233-SS  
GH-3-233-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.250 0.23300 0.250 IN
175-GH-4-602-SS  
GH-4-602-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 1 1/8 - 12 1.12500 1.62500 1.500 0.60200 0.250 IN
175-GH-3-380-SS  
GH-3-380-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.250 0.38000 0.250 IN
175-GH-3-225-SS  
GH-3-225-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.250 0.22500 0.250 IN
175-GH-3-469-SS  
GH-3-469-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.250 0.46900 0.250 IN
175-GH-3-494-SS  
GH-3-494-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.250 0.49400 0.250 IN
175-GH-2-188-SS  
GH-2-188-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.18800 0.250 IN
175-GH-2-193-SS  
GH-2-193-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.19300 0.250 IN
175-GH-2-197-SS  
GH-2-197-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.19700 0.250 IN
175-GH-2-212-SS  
GH-2-212-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.21200 0.250 IN
175-GH-2-218-SS  
GH-2-218-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.21800 0.250 IN
175-GH-2-239-SS  
GH-2-239-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.23900 0.250 IN
175-GH-2-240-SS  
GH-2-240-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.24000 0.250 IN
175-GH-2-242-SS  
GH-2-242-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.24200 0.250 IN
175-GH-2-245-SS  
GH-2-245-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.24500 0.250 IN
175-GH-2-250-SS  
GH-2-250-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.25000 0.250 IN
175-GH-2-252-SS  
GH-2-252-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.25200 0.250 IN
175-GH-2-258-SS  
GH-2-258-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.25800 0.250 IN
175-GH-2-263-SS  
GH-2-263-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.26300 0.250 IN
175-GH-2-272-SS  
GH-2-272-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.27200 0.250 IN
175-GH-2-273-SS  
GH-2-273-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.27300 0.250 IN
175-GH-2-275-SS  
GH-2-275-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.27500 0.250 IN
175-GH-2-277-SS  
GH-2-277-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.27700 0.250 IN
175-GH-2-280-SS  
GH-2-280-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.28000 0.250 IN
175-GH-2-282-SS  
GH-2-282-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.28200 0.250 IN
175-GH-2-287-SS  
GH-2-287-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.28700 0.250 IN
175-GH-2-292-SS  
GH-2-292-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.29200 0.250 IN
175-GH-2-312-SS  
GH-2-312-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.31200 0.250 IN
175-GH-2-322-SS  
GH-2-322-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.32200 0.250 IN
175-GH-2-325-SS  
GH-2-325-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 5/8 - 18 0.87500 1.00000 0.875 0.32500 0.250 IN
175-GH-3-188-SS  
GH-3-188-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.18800 0.250 IN
175-GH-3-193-SS  
GH-3-193-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.19300 0.250 IN
175-GH-3-200-SS  
GH-3-200-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.20000 0.250 IN
175-GH-3-242-SS  
GH-3-242-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.24200 0.250 IN
175-GH-3-245-SS  
GH-3-245-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.24500 0.250 IN
175-GH-3-247-SS  
GH-3-247-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.24700 0.250 IN
175-GH-3-251-SS  
GH-3-251-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.25100 0.250 IN
175-GH-3-254-SS  
GH-3-254-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.25400 0.250 IN
175-GH-3-262-SS  
GH-3-262-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.26200 0.250 IN
175-GH-3-264-SS  
GH-3-264-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.26400 0.250 IN
175-GH-3-272-SS  
GH-3-272-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.27200 0.250 IN
175-GH-3-273-SS  
GH-3-273-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.27300 0.250 IN
175-GH-3-278-SS  
GH-3-278-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.27800 0.250 IN
175-GH-3-295-SS  
GH-3-295-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.29500 0.250 IN
175-GH-3-312-SS  
GH-3-312-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.31200 0.250 IN
175-GH-3-317-SS  
GH-3-317-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.31700 0.250 IN
175-GH-3-322-SS  
GH-3-322-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.32200 0.250 IN
175-GH-3-326-SS  
GH-3-326-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.32600 0.250 IN
175-GH-3-332-SS  
GH-3-332-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.33200 0.250 IN
175-GH-3-337-SS  
GH-3-337-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.33700 0.250 IN
175-GH-3-347-SS  
GH-3-347-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.34700 0.250 IN
175-GH-3-351-SS  
GH-3-351-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.35100 0.250 IN
175-GH-3-352-SS  
GH-3-352-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.35200 0.250 IN
175-GH-3-357-SS  
GH-3-357-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.35700 0.250 IN
175-GH-3-372-SS  
GH-3-372-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.37200 0.250 IN
175-GH-3-392-SS  
GH-3-392-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.39200 0.250 IN
175-GH-3-397-SS  
GH-3-397-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.39700 0.250 IN
175-GH-3-412-SS  
GH-3-412-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.41200 0.250 IN
175-GH-3-417-SS  
GH-3-417-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.41700 0.250 IN
175-GH-3-423-SS  
GH-3-423-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.42300 0.250 IN
175-GH-3-425-SS  
GH-3-425-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.42500 0.250 IN
175-GH-3-427-SS  
GH-3-427-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.42700 0.250 IN
175-GH-3-430-SS  
GH-3-430-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.43000 0.250 IN
175-GH-3-432-SS  
GH-3-432-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.43200 0.250 IN
175-GH-3-437-SS  
GH-3-437-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.43700 0.250 IN
175-GH-3-445-SS  
GH-3-445-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.44500 0.250 IN
175-GH-3-447-SS  
GH-3-447-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.44700 0.250 IN
175-GH-3-452-SS  
GH-3-452-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.45200 0.250 IN
175-GH-3-465-SS  
GH-3-465-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.46500 0.250 IN
175-GH-3-467-SS  
GH-3-467-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.46700 0.250 IN
175-GH-3-470-SS  
GH-3-470-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.47000 0.250 IN
175-GH-3-472-SS  
GH-3-472-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.47200 0.250 IN
175-GH-3-480-SS  
GH-3-480-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.48000 0.250 IN
175-GH-3-504-SS  
GH-3-504-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.50400 0.250 IN
175-GH-3-507-SS  
GH-3-507-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.50700 0.250 IN
175-GH-3-508-SS  
GH-3-508-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.50800 0.250 IN
175-GH-3-512-SS  
GH-3-512-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.51200 0.250 IN
175-GH-3-517-SS  
GH-3-517-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.51700 0.250 IN
175-GH-3-522-SS  
GH-3-522-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.52200 0.250 IN
175-GH-3-534-SS  
GH-3-534-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.53400 0.250 IN
175-GH-3-538-SS  
GH-3-538-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.53800 0.250 IN
175-GH-3-542-SS  
GH-3-542-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.54200 0.250 IN
175-GH-3-547-SS  
GH-3-547-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.54700 0.250 IN
175-GH-3-548-SS  
GH-3-548-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.54800 0.250 IN
175-GH-3-552-SS  
GH-3-552-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.55200 0.250 IN
175-GH-3-557-SS  
GH-3-557-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 7/8 - 14 1.00000 1.37500 1.25 0.55700 0.250 IN
175-GH-4-325-SS  
GH-4-325-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 1 1/8 - 12 1.12500 1.62500 1.5 0.32500 0.250 IN
175-GH-4-351-SS  
GH-4-351-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 1 1/8 - 12 1.12500 1.62500 1.5 0.35100 0.250 IN
175-GH-4-509-SS  
GH-4-509-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 1 1/8 - 12 1.12500 1.62500 1.5 0.50900 0.250 IN
175-GH-4-532-SS  
GH-4-532-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 1 1/8 - 12 1.12500 1.62500 1.5 0.53200 0.250 IN
175-GH-4-667-SS  
GH-4-667-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 1 1/8 - 12 1.12500 1.62500 1.5 0.66700 0.250 IN
175-GH-4-677-SS  
GH-4-677-SS RWMA Class 11 - 10W RWMA Class 2 - C18200 1 1/8 - 12 1.12500 1.62500 1.5 0.67700 0.250 IN
GH-2-241-SS GH-3-354-SS GH-2-274-SS GH-4-640-SS GH-3-448-SS GH-3-265-SS GH-3-343-SS GH-2-318-SS GH-3-246-SS GH-3-355-SS GH-3-325-SS GH-3-493-SS GH-3-233-SS GH-4-602-SS GH-3-380-SS GH-3-225-SS GH-3-469-SS GH-3-494-SS GH-2-188-SS GH-2-193-SS GH-2-197-SS GH-2-212-SS GH-2-218-SS GH-2-239-SS GH-2-240-SS GH-2-242-SS GH-2-245-SS GH-2-250-SS GH-2-252-SS GH-2-258-SS GH-2-263-SS GH-2-272-SS GH-2-273-SS GH-2-275-SS GH-2-277-SS GH-2-280-SS GH-2-282-SS GH-2-287-SS GH-2-292-SS GH-2-312-SS GH-2-322-SS GH-2-325-SS GH-3-188-SS GH-3-193-SS GH-3-200-SS GH-3-242-SS GH-3-245-SS GH-3-247-SS GH-3-251-SS GH-3-254-SS GH-3-262-SS GH-3-264-SS GH-3-272-SS GH-3-273-SS GH-3-278-SS GH-3-295-SS GH-3-312-SS GH-3-317-SS GH-3-322-SS GH-3-326-SS GH-3-332-SS GH-3-337-SS GH-3-347-SS GH-3-351-SS GH-3-352-SS GH-3-357-SS GH-3-372-SS GH-3-392-SS GH-3-397-SS GH-3-412-SS GH-3-417-SS GH-3-423-SS GH-3-425-SS GH-3-427-SS GH-3-430-SS GH-3-432-SS GH-3-437-SS GH-3-445-SS GH-3-447-SS GH-3-452-SS GH-3-465-SS GH-3-467-SS GH-3-470-SS GH-3-472-SS GH-3-480-SS GH-3-504-SS GH-3-507-SS GH-3-508-SS GH-3-512-SS GH-3-517-SS GH-3-522-SS GH-3-534-SS GH-3-538-SS GH-3-542-SS GH-3-547-SS GH-3-548-SS GH-3-552-SS GH-3-557-SS GH-4-325-SS GH-4-351-SS GH-4-509-SS GH-4-532-SS GH-4-667-SS GH-4-677-SS

See ways to use these parts

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Tuffaloy Projection Nut Weld to Bracket
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Tuffaloy Projection Stud Weld to Bracket