Pressed Steel Box & Pin Thread Protectors

Pressed Steel light-duty protectors are suitable for shipping and storing threaded drill stem components only. OTI’s Heavy Duty Steel Thread Protectors are fitted to all drill stem components that have been threaded and helps to protect the threads during transit and storage.

They are available in most sizes of threads.

The table below gives a range of thread configurations available. Others are available on request:

                                           OD Range

Connection               Size & type

     Pin Protector

Box Protector

Wt. per set                      (Ibs.)

Wt. Each (Ibs.)

Wt. Each (Ibs.)

3-1/8 - 3-1/2

2-3/8 Reg.

1/2

1/2

1

NC26

1

3/4

1-3/4

2-3/8 IF

1

3/4

1-3/4

4 - 4-3/4

2-7/8 IF

1-1/2

1-1/4

2-3/4

NC31

1-1/2

1-1/4

2-3/4

2-7/8 Reg.

1-1/4

1-1/4

2-1/2

3-1/2 Reg.

1-1/2

1

2-1/2

4-1/2 – 5-1/8

3-1/2 XH

1-1/2

1-1/4

2-3/4

NC38

2-1/4

1-3/4

4

3-1/2 IF

2-1/4

1-3/4

4

 5 – 5-3/4

3-1/2 FH

1-3/4

1-1/2

3-1/4

NC 40

2-1/4

2-1/4

4-1/2

4 FH

2-1/4

2-1/4

4-1/2

5-3/4 - 6-1/4

4-1/2 Reg.

2-1/2

1-1/2

4

4-1/2 FH

2-1/2

2-1/4

4-3/4

6-1/4 – 6-3/4

4 IF

3

1-3/4

4-3/4

NC 46

3

1-3/4

4-3/4

4-1/2 XH

3

1-3/4

4-3/4

4-1/2 H-90

3

2

5

6-3/4 – 7-1/2

5-1/2 Reg.

3-1/4

2

5-1/4

5-1/2 H-90

3-1/2

2

5-1/2

NC 50

3

2

5

4-1/2 IF

3

2

5

5 XH

3

2

5

7-1/4 – 8-1/4

5-1/2 FH

3-3/4

2-3/4

6-1/2

6-5/8 Reg.

6-3/4

2-3/4

9-1/2

6-5/8 H-90

4-1/4

2-1/4

6-1/2

8-1/4 - 9

NC 61

6-1/2

5

11-1/2

6-5/8 FH

6-1/2

5

11-1/2

9 - 10

7-5/8  Reg.

7-3/4

3-1/2

11-1/4

Note:

  1. All dimensions are given in inches, unless otherwise stated.
  2. Pin protectors listed are for standard length pins only.

Ordering Instructions:

When ordering or requesting quotations, please specify:

  1. Connection type and size
  2. Type of protector – Pin or Box.
Sleeve Type Stabilizer Sleeve Type Stabilizer