ARC – Short Reduced Base

STUD^
D Min L BD Min BL FD FH Ferrule Code
1/4 7/8 .187 .156 .281 .109 TB250
5/16 7/8 .275 .250 .390 .109 RB312
3/8 7/8 .312 .250 .437 .125 RB375
1/2 1 .435 .250 .593 .156 RB500
5/8 1 1/8 .500 .312 .687 .156 TB625
3/4 1 1/8 .625 .375 .812 .187 TB750
Threads: Standard thread is UNC-2A (Rolled when possible), other threads are available upon request. Maximum standard thread length is 3 7/8″
  ^Metric Also Available  
 

                                                                  
Material
Low Carbon Steel
C-0.23% max. P-0.04% max.
Mn-0.90% max. S-0.05% max.
Stainless Steel
AISI grade – 302/304/305 std.
Other grades available upon request
Mechanical Properties
Tensile……………………….60,000 psi (min.)
Yield………………………….50,000 psi (min.)
Elongation……………………20% (in 2 inches)

Values for various grades available upon request.
Plating Plating is not standard. Cadmium, Copper, Nickel are available upon customer request. Does not apply to stainless.


Ferrules*
Code B D E M
TB250 .380 .455 .156 .375
RB312 .445 .546 .156 .437
RB375 .505 .640 .156 .437
RB500 .650 .796 .187 .578
TB625 .785 1.030 .187 .578
TB750 .921 1.140 .203 .593

*Ferrules are component parts of studs, and are included in the price.