Rotary Adaptors

Drill String Adaptor Subs are available in a wide range of diameters, lengths, wrenching, and thread size/types.

North Star understands the need to have a versatile range of configurations to connect your drill rods together. We have a wide range of certified thread gages available to accommodate all your configuration needs.

View Specification Tables

Specifications

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Standard Adaptor Subs

Diameter (mm)Diameter (in)Length (mm)Length (in)sBox ThreadPin ThreadWrench Flat Width (mm)Wrench Flat Width (in)
7631003.942 3/8" API2 3/8" APIA/F652.5
7631305.122 3/8" API2 3/8" APIA/F652.5
7631606.302 3/8" API2 3/8" APIA/F652.5
7631807.092 3/8" API2 3/8" APIA/F652.5
7632007.872 3/8" API2 3/8" APIA/F652.5
7632208.662 3/8" API2 3/8" APIA/F652.5
7632509.842 3/8" API2 3/8" APIA/F652.5
76326010.242 3/8" API2 3/8" APIA/F652.5
76328011.022 3/8" API2 3/8" APIA/F652.5
76330011.812 3/8" API2 3/8" APIA/F652.5
76332012.602 3/8" API2 3/8" APIA/F652.5
76334013.392 3/8" API2 3/8" APIA/F652.5
76336014.172 3/8" API2 3/8" APIA/F652.5
76338014.962 3/8" API2 3/8" APIA/F652.5
76340015.752 3/8" API2 3/8" APIA/F652.5
76342016.542 3/8" API2 3/8" APIA/F652.5
76344017.322 3/8" API2 3/8" APIA/F652.5
76346018.112 3/8" API2 3/8" APIA/F652.5
76350019.682 3/8" API2 3/8" APIA/F652.5
76352020.472 3/8" API2 3/8" APIA/F652.5
76354021.262 3/8" API2 3/8" APIA/F652.5
893.501003.942 3/8" API2 3/8" APIA/F652.5
893.501305.122 3/8" API2 3/8" APIA/F652.5
893.501706.692 3/8" IF2 3/8" IFA/F652.5
893.502007.872 3/8" API2 3/8" APIA/F652.5
893.502208.662 3/8" IF2 3/8" IFA/F652.5
893.502509.842 3/8" API2 3/8" APIA/F652.5
893.5027010.632 3/8" IF2 3/8" IFA/F652.5
893.5030011.812 3/8" API2 3/8" APIA/F652.5
893.5032012.602 3/8" API2 3/8" APIA/F652.5
893.5035013.782 3/8" API2 3/8" APIA/F652.5
893.5038014.962 3/8" API2 3/8" APIA/F652.5
893.5040015.752 3/8" API2 3/8" APIA/F652.5
893.5043016.932 3/8" API2 3/8" APIA/F652.5
893.5045017.722 3/8" IF2 3/8" IFA/F652.5
893.5048018.902 3/8" API2 3/8" APIA/F652.5
893.5050019.682 3/8" IF2 3/8" IFA/F652.5
893.5053020.872 3/8" API2 3/8" APIA/F652.5
893.5055021.652 3/8" API2 3/8" APIA/F652.5
893.5058022.832 3/8" API2 3/8" APIA/F652.5
893.5060023.622 3/8" IF2 3/8" IFA/F652.5
893.5065025.592 3/8" API2 3/8" APIA/F652.5
893.5068026.772 3/8" IF2 3/8" IFA/F652.5
893.5070027.562 3/8" API2 3/8" APIA/F652.5
893.5073028.742 3/8" IF2 3/8" IFA/F652.5
893.5075029.532 3/8" API2 3/8" APIA/F652.5
893.5078030.712 3/8" API2 3/8" APIA/F652.5
893.5081031.892 3/8" API2 3/8" APIA/F652.5
893.5083032.682 3/8" API2 3/8" APIA/F652.5
893.5086033.862 3/8" API2 3/8" APIA/F652.5
893.5088034.652 3/8" API2 3/8" APIA/F652.5
893.5091035.832 3/8" API2 3/8" APIA/F652.5
893.5093036.612 3/8" API2 3/8" APIA/F652.5
10241204.722 3/8" IF2 3/8" IFA/F753
10241405.512 3/8" IF2 3/8" IFA/F753
10241807.092 7/8" API2 7/8" APIA/F753
10242108.272 3/8" API2 3/8" APIA/F753
102430011.812 3/8" IF2 3/8" IFA/F753
102436014.172 7/8" API2 7/8" APIA/F753
102441016.143 1/2" API3 1/2" APIA/F753
102448018.903 1/2" API3 1/2" APIA/F653
102452020.472 7/8" API2 7/8" APIA/F753
102460023.622 7/8" API2 7/8" APIA/F753
102466025.983 1/2" API3 1/2" APIA/F753
102470027.562 7/8" IF2 7/8" IFA/F753
1144.501204.723 1/2" API3 1/2" APIA/F753
1144.501405.513 1/2" API3" BECOA/F753
1144.501807.093 1/2" API3 1/2" APIA/F753
1144.502108.273" BECO3" BECOA/F903.5
1144.5030011.813 1/2" API3 1/2" APIA/F953.75
1144.5036014.173 1/2" API3 1/2" APIA/F953.75
1144.5041016.142 3/8" IF2 7/8" IFA/F953.75
1144.5048018.903 1/2" API3 1/2" APIA/F953.75
1144.5052020.473 1/2" API3 1/2" APIA/F953.75
1144.5060023.622 3/8" API2 3/8" APIA/F953.75
1144.5066025.983 1/2" API3 1/2" APIA/F953.75
1144.5070027.563 1/2" IF3 1/2" IFA/F953.75
1144.5074029.133 1/2" API3 1/2" APIA/F953.75
1144.5079031.103 1/2" API3 1/2" APIA/F953.75
1144.5082032.383 1/2" IF3 1/2" IFA/F953.75
1144.5085033.463 1/2" API3 1/2" APIA/F953.75
1144.5088034.653 1/2" API3 1/2" APIA/F953.75
1144.5091035.833 1/2" IF3 1/2" IFA/F953.75
1144.5094037.012 7/8" API2 7/8" APIA/F953.75
1144.5097038.19NC35NC35A/F953.75
127530011,813 1/2" API3 1/2" APIA/F953.75
127536014,173 1/2" API3 1/2" APIA/F953.75
127541016.143 1/2" API3 1/2" APIA/F953.75
127548018.903 1/2" API3 1/2" APIA/F953.75
127552020.473 1/2" API3 1/2" APIA/F953.75
127560023.623 1/2" API3 1/2" APIA/F954.75
127570027.563 1/2" API3 1/2" APIA/F955.75
127582032.283 1/2" API3 1/2" APIA/F956.75
127591035.833 1/2" API3 1/2" APIA/F957.75
1405.5030011.814 1/2" API4 1/2" APIA/F1204.75
1405.5036014.174 1/2" API4 1/2" APIA/F1204.75
1405.5041016.144 1/2" API4 1/2" APIA/F1204.75
1405.5046018.113 1/2" API3 1/2" APIA/F1204.75
1405.5052020.473 1/2" API3 1/2" APIA/F1204.75
1405.5060023.623 1/2" IF3 1/2" IFA/F1204.75
1405.5070027.564 1/2" API4 1/2" APIA/F1204.75
1405.5073028.743 1/2" API3 1/2" APIA/F1204.75
1405.5075029.534 1/2" API4 1/2" APIA/F1204.75
1405.5078030.714 1/2" API4 1/2" APIA/F1204.75
1405.5082032.283 1/2" API3 1/2" APIA/F1204.75
1405.5085033.463 1/2" API3 1/2" APIA/F1204.75
1405.5087034.254 1/2" API4 1/2" APIA/F1204.75
1405.5090035.434 1/2" API4 1/2" APIA/F1204.75
1405.5092036.223 1/2" API3 1/2" APIA/F1204.75

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