Dear Sir/Madam, Standard:DIN Model:Different Precision Types Of Fasteners Material/Finish:Solid Brass,Alloy Steel,Stainless Steel Thread Types:American/Left Hand/Metric/Right Hand/Special Pitch Appearance:Bright neat body, without any burrs Tolerances:Precision Tolerances to Customer Specification Quality Control:100% inspection during production Industry Focus:Agricultural/Architectural/Heavy Equipment/Military Show More