Oilfield steel thread protectors
1. Size: 2-3/8"-20"
2. Standard: API 5CT
3. Material: Steel
4. Our product line covers all API threads, as well as most of the premium connections
Pipe OD |
Size & Thread |
Structure |
60.33mm |
2 3/8″NU |
Plastic+Steel+Plastic & Steel+Plastic & Full Plastic |
2 3/8″EU |
Plastic+Steel+Plastic & Steel+Plastic & Full Plastic |
73.03mm |
2 7/8″NU |
Plastic+Steel+Plastic & Steel+Plastic & Full Plastic |
2 7/8″EU |
Plastic+Steel+Plastic & Steel+Plastic & Full Plastic |
88.9mm |
3 1/2″NU |
Plastic+Steel+Plastic & Steel+Plastic & Full Plastic |
3 1/2″EU |
Plastic+Steel+Plastic & Steel+Plastic & Full Plastic |
114.1mm |
4 1/2″NU |
Steel+Plastic&Full Plastic |
4 1/2″EU |
Steel+Plastic&Full Plastic |
4 1/2″STC |
Steel+Plastic&Full Plastic |
4 1/2″LTC |
Steel+Plastic&Full Plastic |
4 1/2″BTC |
Steel+Plastic&Full Plastic |
127mm |
5 ″LTC |
Steel+Plastic&Full Plastic |
5 ″BTC |
Steel+Plastic&Full Plastic |
139.7mm |
5 1/2″STC |
Steel+Plastic&Full Plastic |
5 1/2″LTC |
Steel+Plastic&Full Plastic |
5 1/2″BTC |
Steel+Plastic&Full Plastic |
168.3mm |
6 5/8″BTC |
Steel+Plastic&Full Plastic |
177.8mm |
7″STC |
Steel+Plastic&Full Plastic |
7″LTC |
Steel+Plastic&Full Plastic |
7 ″BTC |
Steel+Plastic&Full Plastic |
193.7mm |
7 5/8″LTC |
Steel+Plastic&Full Plastic |
7 5/8″BTC |
Steel+Plastic&Full Plastic |
219.1mm |
8 5/8″STC |
Steel+Plastic&Full Plastic |
8 5/8″LTC |
Steel+Plastic&Full Plastic |
8 5/8″BTC |
Steel+Plastic&Full Plastic |
244.5mm |
9 5/8″STC |
Steel+Plastic&Full Plastic |
9 5/8″LTC |
Steel+Plastic&Full Plastic |
9 5/8″BTC |
Steel+Plastic&Full Plastic |
273.1mm |
10 3/4″STC |
Steel+Plastic |
10 3/4″BTC |
Steel+Plastic |
339.7mm |
13 3/8″STC |
Steel+Plastic |
13 3/8″BTC |
Steel+Plastic |
508mm |
20 ″STC |
Steel+Plastic |
20 ″BTC |
Steel+Plastic |
Drill Pipe |
NC26 (2 3/8″IF) |
Steel+Plastic |
NC31 (2 7/8″IF) |
Steel+Plastic |
NC38 (3 1/2″IF) |
Steel+Plastic |
NC46 (4″IF) |
Steel+Plastic |
NC50 (4 1/2″IF) |
Steel+Plastic |
5 1/2″FH |
Steel+Plastic |