Howmet Fastening Systems
Howmet Fastening Systems
Phone: Sales +1 800 992 4444
Technical Support +1 310 784 6409
Email: HFSTechSupport@howmet.com
Website: www.hfs.howmet.com
Print Back
Stud - Ring Locked - SFJ Series
Unit of Measure
« 6 7 8 9 10 

Item #

Material

Heat Treat

Finish

A Nut End Thread Size

B Stud End Thread Size

L ±.015

SFJ81-6S35A N/A 718 CRES N/A 180 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.312 in
SFJ81-6S36A N/A 718 CRES N/A 180 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.375 in
SFJ81-6S37A N/A 718 CRES N/A 180 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.438 in
SFJ81-6S38A N/A 718 CRES N/A 180 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.500 in
SFJ81-6TA5A N/A 6AI-4V Titanium N/A 130 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.312 in
SFJ81-6TA6A N/A 6AI-4V Titanium N/A 130 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.375 in
SFJ81-6TA7A N/A 6AI-4V Titanium N/A 130 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.438 in
SFJ81-6TA8A N/A 6AI-4V Titanium N/A 130 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.500 in
SFJ81-6TB5A N/A 6AI-4V Titanium N/A 160 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.312 in
SFJ81-6TB6A N/A 6AI-4V Titanium N/A 160 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.375 in
SFJ81-6TB7A N/A 6AI-4V Titanium N/A 160 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.438 in
SFJ81-6TB8A N/A 6AI-4V Titanium N/A 160 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.500 in
SFJ81-8SA5A N/A 4130 Steel N/A 125 KSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.312 in
SFJ81-8SA6A N/A 4130 Steel N/A 125 KSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.375 in
SFJ81-8SA7A N/A 4130 Steel N/A 125 KSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.438 in
SFJ81-8SA8A N/A 4130 Steel N/A 125 KSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.500 in
SFJ81-8SB5A N/A 1117 Steel N/A None N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.312 in
SFJ81-8SB6A N/A 1117 Steel N/A None N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.375 in
SFJ81-8SB7A N/A 1117 Steel N/A None N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.438 in
SFJ81-8SB8A N/A 1117 Steel N/A None N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.500 in
SFJ81-8SM5A N/A 303 Se CRES N/A None N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.312 in
SFJ81-8SM6A N/A 303 Se CRES N/A None N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.375 in
SFJ81-8SM7A N/A 303 Se CRES N/A None N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.438 in
SFJ81-8SM8A N/A 303 Se CRES N/A None N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.500 in
SFJ81-8SN5A N/A 4340 Steel N/A 160-180 KSI UTS N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.312 in
SFJ81-8SN6A N/A 4340 Steel N/A 160-180 KSI UTS N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.375 in
SFJ81-8SN7A N/A 4340 Steel N/A 160-180 KSI UTS N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.438 in
SFJ81-8SN8A N/A 4340 Steel N/A 160-180 KSI UTS N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.500 in
SFJ81-8SU5A N/A A286 CRES N/A 130 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.312 in
SFJ81-8SU6A N/A A286 CRES N/A 130 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.375 in
SFJ81-8SU7A N/A A286 CRES N/A 130 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.438 in
SFJ81-8SU8A N/A A286 CRES N/A 130 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.500 in
SFJ81-8S35A N/A 718 CRES N/A 180 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.312 in
SFJ81-8S36A N/A 718 CRES N/A 180 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.375 in
SFJ81-8S37A N/A 718 CRES N/A 180 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.438 in
SFJ81-8S38A N/A 718 CRES N/A 180 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.500 in
SFJ81-8TA5A N/A 6AI-4V Titanium N/A 130 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.312 in
SFJ81-8TA6A N/A 6AI-4V Titanium N/A 130 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.375 in
SFJ81-8TA7A N/A 6AI-4V Titanium N/A 130 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.438 in
SFJ81-8TA8A N/A 6AI-4V Titanium N/A 130 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.500 in
SFJ81-8TB5A N/A 6AI-4V Titanium N/A 160 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.312 in
SFJ81-8TB6A N/A 6AI-4V Titanium N/A 160 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.375 in
SFJ81-8TB7A N/A 6AI-4V Titanium N/A 160 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.438 in
SFJ81-8TB8A N/A 6AI-4V Titanium N/A 160 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.500 in
SFJ81-10SA5A N/A 4130 Steel N/A 125 KSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.312 in
SFJ81-10SA6A N/A 4130 Steel N/A 125 KSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.375 in
SFJ81-10SA7A N/A 4130 Steel N/A 125 KSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.438 in
SFJ81-10SA8A N/A 4130 Steel N/A 125 KSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.500 in
SFJ81-10SB5A N/A 1117 Steel N/A None N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.312 in
SFJ81-10SB6A N/A 1117 Steel N/A None N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.375 in
SFJ81-10SB7A N/A 1117 Steel N/A None N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.438 in
SFJ81-10SB8A N/A 1117 Steel N/A None N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.500 in
SFJ81-10SM5A N/A 303 Se CRES N/A None N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.312 in
SFJ81-10SM6A N/A 303 Se CRES N/A None N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.375 in
SFJ81-10SM7A N/A 303 Se CRES N/A None N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.438 in
SFJ81-10SM8A N/A 303 Se CRES N/A None N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.500 in
SFJ81-10SN5A N/A 4340 Steel N/A 160-180 KSI UTS N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.312 in
SFJ81-10SN6A N/A 4340 Steel N/A 160-180 KSI UTS N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.375 in
SFJ81-10SN7A N/A 4340 Steel N/A 160-180 KSI UTS N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.438 in
SFJ81-10SN8A N/A 4340 Steel N/A 160-180 KSI UTS N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.500 in
SFJ81-10SU5A N/A A286 CRES N/A 130 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.312 in
SFJ81-10SU6A N/A A286 CRES N/A 130 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.375 in
SFJ81-10SU7A N/A A286 CRES N/A 130 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.438 in
SFJ81-10SU8A N/A A286 CRES N/A 130 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.500 in
SFJ81-10S35A N/A 718 CRES N/A 180 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.312 in
SFJ81-10S36A N/A 718 CRES N/A 180 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.375 in
SFJ81-10S37A N/A 718 CRES N/A 180 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.438 in
SFJ81-10S38A N/A 718 CRES N/A 180 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.500 in
SFJ81-10TA5A N/A 6AI-4V Titanium N/A 130 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.312 in
SFJ81-10TA6A N/A 6AI-4V Titanium N/A 130 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.375 in
SFJ81-10TA7A N/A 6AI-4V Titanium N/A 130 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.438 in
SFJ81-10TA8A N/A 6AI-4V Titanium N/A 130 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.500 in
SFJ81-10TB5A N/A 6AI-4V Titanium N/A 160 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.312 in
SFJ81-10TB6A N/A 6AI-4V Titanium N/A 160 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.375 in
SFJ81-10TB7A N/A 6AI-4V Titanium N/A 160 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.438 in
SFJ81-10TB8A N/A 6AI-4V Titanium N/A 160 KSI UTS min N/A None N/A 0.1640-36 UNJF-3A N/A 0.1900-24 N/A 0.500 in
SFJ91-7SA6A N/A 4130 Steel N/A 125 KSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.375 in
SFJ91-7SA7A N/A 4130 Steel N/A 125 KSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.438 in
SFJ91-7SA8A N/A 4130 Steel N/A 125 KSI UTS min N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.500 in
SFJ91-7SB6A N/A 1117 Steel N/A None N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.375 in
SFJ91-7SB7A N/A 1117 Steel N/A None N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.438 in
SFJ91-7SB8A N/A 1117 Steel N/A None N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.500 in
SFJ91-7SM6A N/A 303 Se CRES N/A None N/A Passivate per QQ-P-35 N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.375 in
SFJ91-7SM7A N/A 303 Se CRES N/A None N/A Passivate per QQ-P-35 N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.438 in
SFJ91-7SM8A N/A 303 Se CRES N/A None N/A Passivate per QQ-P-35 N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.500 in
SFJ91-7SN6A N/A 4340 Steel N/A 160-180 KSI UTS N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.375 in
SFJ91-7SN7A N/A 4340 Steel N/A 160-180 KSI UTS N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.438 in
SFJ91-7SN8A N/A 4340 Steel N/A 160-180 KSI UTS N/A Cadmium plate per QQ-P-416, Type II, Class 3 N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.500 in
SFJ91-7SU6A N/A A286 CRES N/A 130 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.375 in
SFJ91-7SU7A N/A A286 CRES N/A 130 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.438 in
SFJ91-7SU8A N/A A286 CRES N/A 130 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.500 in
SFJ91-7S36A N/A 718 CRES N/A 180 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.375 in
SFJ91-7S37A N/A 718 CRES N/A 180 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.438 in
SFJ91-7S38A N/A 718 CRES N/A 180 KSI UTS min N/A Passivate per QQ-P-35 N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.500 in
SFJ91-7TA6A N/A 6AI-4V Titanium N/A 130 KSI UTS min N/A None N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.375 in
SFJ91-7TA7A N/A 6AI-4V Titanium N/A 130 KSI UTS min N/A None N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.438 in
SFJ91-7TA8A N/A 6AI-4V Titanium N/A 130 KSI UTS min N/A None N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.500 in
SFJ91-7TB6A N/A 6AI-4V Titanium N/A 160 KSI UTS min N/A None N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.375 in
SFJ91-7TB7A N/A 6AI-4V Titanium N/A 160 KSI UTS min N/A None N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.438 in
SFJ91-7TB8A N/A 6AI-4V Titanium N/A 160 KSI UTS min N/A None N/A 0.1900-32 UNJF-3A N/A 0.2500-20 N/A 0.500 in
Unit of Measure
« 6 7 8 9 10