Threaded Tube Inserts

Rectangle Threaded Tube Inserts

Rectangle threaded tube inserts for 75-900kg maximum loads.

Need help choosing?

Tell us the load, thread length, thread size, base diameter, tilt type, and material.

Showing 29 of 29 products

RLTi-5731 Rectangle Threaded Tube Inserts product image

M6 40x20x1.6mm Threaded Tube Insert (RLTi-5731)

Thread
M6
Tube size
40 x 20 mm
Wall thickness
1.6 mm
Max static load
50 kg
Housing
PA
Thread material
MSZP
Flexliner RLTi-5732 product photo

M8 40x20x1.6-2mm Threaded Tube Insert (RLTi-5732)

Thread
M8
Tube size
40 x 20 mm
Wall thickness
1.6-2 mm
Max static load
50 kg
Housing
PA
Thread material
MSZP
Flexliner RLTi-5817 product photo

M8 50x25x1-2mm Threaded Tube Insert (RLTi-5817)

Thread
M8
Tube size
50 x 25 mm
Wall thickness
1-2 mm
Max static load
75 kg
Housing
PE
Thread material
Flexliner RTLi-5742 product photo

M8 80x40x2mm Threaded Tube Insert (RTLi-5742)

Thread
M8
Tube size
80 x 40 mm
Wall thickness
2 mm
Max static load
100 kg
Housing
PA
Thread material
MSZP
Flexliner RETi-5797 product photo

M10 50x30x2mm Threaded Tube Insert (RETi-5797)

Thread
M10
Tube size
50 x 30 mm
Wall thickness
2 mm
Max static load
300 kg
Housing
PA
Thread material
MSZP
Flexliner RETi-5819 product photo

M10 50x25x2mm Threaded Tube Insert (RETi-5819)

Thread
M10
Tube size
50 x 25 mm
Wall thickness
2 mm
Max static load
300 kg
Housing
PA
Thread material
MSZP
RETi-5862 Rectangle Threaded Tube Inserts product image

M10 50x25x1.2-1.6mm Threaded Tube Insert (RETi-5862)

Thread
M10
Tube size
50 x 25 mm
Wall thickness
1.2-1.6 mm
Max static load
300 kg
Housing
PA
Thread material
MSZP
Flexliner RLTi-5815 product photo

M10 50x25x1-2mm Threaded Tube Insert (RLTi-5815)

Thread
M10
Tube size
50 x 25 mm
Wall thickness
1-2 mm
Max static load
75 kg
Housing
PA
Thread material
MSZP
Flexliner RLTi-5815LG product photo

M10 50x25x1-2mm Threaded Tube Insert (RLTi-5815LG)

Thread
M10
Tube size
50 x 25 mm
Wall thickness
1-2 mm
Max static load
75 kg
Housing
PA
Thread material
MSZP
RTLi-5816 Rectangle Threaded Tube Inserts product image

M10 50x30x1-2mm Threaded Tube Insert (RTLi-5816)

Thread
M10
Tube size
50 x 30 mm
Wall thickness
1-2 mm
Max static load
300 kg
Housing
PA
Thread material
MSZP
RTZi-5763 Rectangle Threaded Tube Inserts product image

M10 50x30x2mm Threaded Tube Insert (RTZi-5763)

Thread
M10
Tube size
50 x 30 mm
Wall thickness
2 mm
Max static load
600 kg
Housing
ZDC
Thread material
Flexliner RTZi-5889 product photo

M10 50x25x2mm Threaded Tube Insert (RTZi-5889)

Thread
M10
Tube size
50 x 25 mm
Wall thickness
2 mm
Max static load
800 kg
Housing
ZDC
Thread material
RETi-5737 Rectangle Threaded Tube Inserts product image

M10 60x30x2mm Threaded Tube Insert (RETi-5737)

Thread
M10
Tube size
60 x 30 mm
Wall thickness
2 mm
Max static load
300 kg
Housing
PA
Thread material
MSZP
RTLi-5733 Rectangle Threaded Tube Inserts product image

M10 60x30x1.6-2mm Threaded Tube Insert (RTLi-5733)

Thread
M10
Tube size
60 x 30 mm
Wall thickness
1.6-2 mm
Max static load
250 kg
Housing
PA
Thread material
MSZP
RTLi-5741 Rectangle Threaded Tube Inserts product image

M10 60x40x1.6-2mm Threaded Tube Insert (RTLi-5741)

Thread
M10
Tube size
60 x 40 mm
Wall thickness
1.6-2 mm
Max static load
100 kg
Housing
PA
Thread material
MSZP
RTZi-5736 Rectangle Threaded Tube Inserts product image

M10 60x30x2mm Threaded Tube Insert (RTZi-5736)

Thread
M10
Tube size
60 x 30 mm
Wall thickness
2 mm
Max static load
800 kg
Housing
ZDC
Thread material
RETi-5743 Rectangle Threaded Tube Inserts product image

M12 50x25x2mm Threaded Tube Insert (RETi-5743)

Thread
M12
Tube size
50 x 25 mm
Wall thickness
2 mm
Max static load
300 kg
Housing
PA
Thread material
MSZP
RETi-5780 Rectangle Threaded Tube Inserts product image

M12 50x25x1.2-1.6mm Threaded Tube Insert (RETi-5780)

Thread
M12
Tube size
50 x 25 mm
Wall thickness
1.2-1.6 mm
Max static load
300 kg
Housing
PA
Thread material
MSZP
RLTi-5762 Rectangle Threaded Tube Inserts product image

M12 50x25x1-2mm Threaded Tube Insert (RLTi-5762)

Thread
M12
Tube size
50 x 25 mm
Wall thickness
1-2 mm
Max static load
75 kg
Housing
PA
Thread material
MSZP
RLTi-5762LG Rectangle Threaded Tube Inserts product image

M12 50x25x1-2mm Threaded Tube Insert (RLTi-5762LG)

Thread
M12
Tube size
50 x 25 mm
Wall thickness
1-2 mm
Max static load
75 kg
Housing
PA
Thread material
MSZP
RLTi-5764 Rectangle Threaded Tube Inserts product image

M12 50x30x1-2mm Threaded Tube Insert (RLTi-5764)

Thread
M12
Tube size
50 x 30 mm
Wall thickness
1-2 mm
Max static load
300 kg
Housing
PA
Thread material
MSZP
RTLi-5734 Rectangle Threaded Tube Inserts product image

M12 60x30x1.6-2mm Threaded Tube Insert (RTLi-5734)

Thread
M12
Tube size
60 x 30 mm
Wall thickness
1.6-2 mm
Max static load
300 kg
Housing
PA
Thread material
MSZP
RTLi-5738 Rectangle Threaded Tube Inserts product image

M12 60x30x2mm Threaded Tube Insert (RTLi-5738)

Thread
M12
Tube size
60 x 30 mm
Wall thickness
2 mm
Max static load
300 kg
Housing
PA
Thread material
MSZP
RTLi-5744 Rectangle Threaded Tube Inserts product image

M12 60x40x1.6-2mm Threaded Tube Insert (RTLi-5744)

Thread
M12
Tube size
60 x 40 mm
Wall thickness
1.6-2 mm
Max static load
100 kg
Housing
PA
Thread material
MSZP
Flexliner RTLi-5848 product photo

M16 50x25x1.6-2mm Threaded Tube Insert (RTLi-5848)

Thread
M16
Tube size
50 x 25 mm
Wall thickness
1.6-2 mm
Max static load
100 kg
Housing
PA
Thread material
PA
RTHi-5745 Rectangle Threaded Tube Inserts product image

M16 80x40x2mm Threaded Tube Insert (RTHi-5745)

Thread
M16
Tube size
80 x 40 mm
Wall thickness
2 mm
Max static load
900 kg
Housing
PA
Thread material
BrassNP
Flexliner RTHi-5746 product photo

M16 100x50x2mm Threaded Tube Insert (RTHi-5746)

Thread
M16
Tube size
100 x 50 mm
Wall thickness
2 mm
Max static load
900 kg
Housing
PA
Thread material
BrassNP
RTHi-5747 Rectangle Threaded Tube Inserts product image

M16 100x50x3mm Threaded Tube Insert (RTHi-5747)

Thread
M16
Tube size
100 x 50 mm
Wall thickness
3 mm
Max static load
900 kg
Housing
PA
Thread material
BrassNP
Flexliner RTHi-5749 product photo

M16 150x50x3mm Threaded Tube Insert (RTHi-5749)

Thread
M16
Tube size
150 x 50 mm
Wall thickness
3 mm
Max static load
900 kg
Housing
PA
Thread material
BrassNP

How to choose Rectangle Threaded Tube Inserts

29 products
  • Compare thread sizes, tube sizes, load ratings before requesting pricing.
  • Use the range and related product links to move between close alternatives without relying on filter-only URLs.
  • Send Flexliner the part number and quantity when the shortlist is ready for quote confirmation.

Applications and Quote Prep

  • Rectangle Threaded Tube Inserts are used where buyers need repeatable support, levelling, tube finishing, or machine setup from a known part number.
  • The visible product table supports quoting by keeping commercial identifiers and selection specs on the page.