MLK500 High speed Electronic pattern sewing machine for
heavy duty webbing slings & straps, with very thick thread

MLK500-2516 Programmable pattern sewing machine for ratchet straps and lashing strap

MLK500-3520 Automatic sewing machine for fall protection equipment & safety harness

lashing straps sewing machine
automatic webbing sewing machine

ratchet strap sewing machine

Hirose HST-A hook
Left hook is for Hightex MLK500, right regular
hook is for MLK300, Mitsubishi PLK-E2516R

Your advantages:

1. High production efficiency due to its high sewing speed (Max.1600 RPM) provides high efficiency;

2. Large rotary hook with 3 times bobbin capacity helps reduce the frequency of bobbin thread changing when sewing with thick thread;

3. Easily sew 7mm thick webbing straps with thick thread up to metric size #10 (=T-270, V277, 840dx3);

4. Top quality parts guarantee high performance and long working life, including HIROSE rotary hook and SMC pneumatic system;

5. Standard equipped with reliable automatic thread trimmer for very thick sewing thread;

6. Direct Drive system improves sewing acceleration and save about 40% electric;

7. All units are thoroughly tested before delivery, ready to operate, very easy to use and maintain.


This machine can make a revolution in your sewing production of ratchet straps, lashing straps, tie downs, fall protection equipment, safety harness, rescue belts, safety lanyard, seat belts and lifting belts

Click here for video 1                    Click here for video 2                    Click here for video 3                    How to assemble ratchet straps (before sewing)


Max. Sewing Speed:

1600 rpm

Hook Type:

3 times large rotary hook

Sewing Area:

250 x160mm (MLK500-2516) , 350 x 200mm (MLK500-3520)

Needle System:

DPX17 #14 to #25

Max. Thread size

Metric#10 (=T-270, V277, 840dx3)

Optimal sewing thickness:

4-7mm thick synthetic webbing(Nylon, Polyester etc.)

Bobbin size:

Outside Dia. 30mm, Height 11mm

Stitch Length:


Tariff code (HS code):


Work Holder Lift :


NeedleBar Stroke:


Presser Foot Lift:


Presser foot stroke:

4 mm to 10 mm

Max. QTY of Patterns:

10000 patterns

Needle cooler:

Cold air

Pattern Storage :

Internal & USB

Pattern Input :

Touch screen

Max. Number of Stitches:

8000 per pattern

Drive Motor:

Limi-Servo (750 Watts)

Air pressure:

0.6 MPa


200-240 Volt 1 or 3 Phase

Thread trimmer system:

Horizontal engagement with fixed knife and movable knife

Lubrication system:

Replenishment with the oil braids from the oil tanks

Package (plywood case):

MLK500-2516: 1240x1110x 1330 mm, G.W: 251 KGS -- MLK500-3520: 1240x1180x 1330 mm, G.W: 280KGS

Need to expand your production and maximize profits? Contact us at


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