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Set Screw Couplings w/Keyway RC4H-Series

Traditional cost effective rigid coupling design. Provides torque transmission & alignment.

Set Screw Couplings w/Keyway RC4H-Series
Item #BoreODLengthScrew SizeKeyway SizeMaterialFinish
RC-037-KW4H@903/8 in3/4 in1 in1/4-20 x 3/163/32 x 3/64 inSteel, ASTM A108Black Oxide
RC-037-SKW4H@903/8 in3/4 in1 in1/4-20 x 3/163/32 x 3/64 inStainless Steel, ASTM A582Plain
RC-050-KW4H@901/2 in1 in1 1/2 in1/4-20 x 3/161/8 x 1/16 inSteel, ASTM A108Black Oxide
RC-050-SKW4H@901/2 in1 in1 1/2 in1/4-20 x 3/161/8 x 1/16 inStainless Steel, ASTM A582Plain
RC-062-KW4H@905/8 in1 1/4 in2 in5/16-18 x 1/43/16 x 3/32 inSteel, ASTM A108Black Oxide
RC-062-SKW4H@905/8 in1 1/4 in2 in5/16-18 x 1/43/16 x 3/32 inStainless Steel, ASTM A582Plain
RC-075-KW4H@903/4 in1 1/2 in2 in5/16-18 x 3/83/16 x 3/32 inSteel, ASTM A108Black Oxide
RC-075-SKW4H@903/4 in1 1/2 in2 in5/16-18 x 3/83/16 x 3/32 inStainless Steel, ASTM A582Plain
RC-087-KW4H@907/8 in1 3/4 in2 in5/16-18 x 5/163/16 x 3/32 inSteel, ASTM A108Black Oxide
RC-087-SKW4H@907/8 in1 3/4 in2 in5/16-18 x 5/163/16 x 3/32 inStainless Steel, ASTM A582Plain
RC-100-KW4H@901 in2 in3 in5/16-18 x 3/81/4 x 1/8 inSteel, ASTM A108Black Oxide
RC-100-SKW4H@901 in2 in3 in5/16-18 x 3/81/4 x 1/8 inStainless Steel, ASTM A582Plain
RC-112-KW4H@901 1/8 in2 1/8 in3 in3/8-16 x 3/81/4 x 1/8 inSteel, ASTM A108Black Oxide
RC-112-SKW4H@901 1/8 in2 1/8 in3 in3/8-16 x 3/81/4 x 1/8 inStainless Steel, ASTM A582Plain
RC-125-KW4H@901 1/4 in2 1/4 in4 in3/8-16 x 3/81/4 x 1/8 inSteel, ASTM A108Black Oxide
RC-125-SKW4H@901 1/4 in2 1/4 in4 in3/8-16 x 3/81/4 x 1/8 inStainless Steel, ASTM A582Plain
RC-137-KW4H@901 3/8 in2 1/2 in4 1/2 in3/8-16 x 3/85/16 x 5/32 inSteel, ASTM A108Black Oxide
RC-137-SKW4H@901 3/8 in2 1/2 in4 1/2 in3/8-16 x 3/85/16 x 5/32 inStainless Steel, ASTM A582Plain
RC-150-KW4H@901 1/2 in2 1/2 in4 1/2 in3/8-16 x 3/83/8 x 3/16 inSteel, ASTM A108Black Oxide
RC-150-SKW4H@901 1/2 in2 1/2 in4 1/2 in3/8-16 x 3/83/8 x 3/16 inStainless Steel, ASTM A582Plain
RC-175-KW4H@901 3/4 in2 3/4 in4 1/2 in3/8-16 x 3/83/8 x 3/16 inSteel, ASTM A108Black Oxide
RC-175-SKW4H@901 3/4 in2 3/4 in4 1/2 in3/8-16 x 3/83/8 x 3/16 inStainless Steel, ASTM A582Plain
RC-200-KW4H@902 in3 5/16 in4 1/2 in1/2-13 x 1/21/2 x 1/4 inSteel, ASTM A108Black Oxide
RC-200-SKW4H@902 in3 5/16 in4 1/2 in1/2-13 x 1/21/2 x 1/4 inStainless Steel, ASTM A582Plain