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0321 IH-529

HIGH TENSILE  

STEEL STRAPPING 

SEALER

1-800-295-5510

uline.com

H-529, H-530

H-531

1.  Hold the sealer 

vertically and place 

the jaws of the tool 

across the middle of 

the seal. Make sure to 

center the jaws across 

the middle of the seal. 

(See Figure 1)

WARNING! A seal 
crimped off-center 
may cause the 
strap to become 
loose and snap 
apart, possibly 
resulting in serious 
injury or death.

2.  Press the handles of the 

sealer together while 

keeping the sealer in 

a vertical position. The 

seal will be completely 

sealed when the 

handles are vertical 

and can be squeezed 

no further. (See Figure 2)

3.  Remove the sealer and inspect the seal to verify the 

seal is properly holding the strap. The seal should 

have a total of four indentations, two on each side. 

The notches should be centered on the seal. The 

seal should lay flush against the strapping with both 

ends of the strapping passing completely through 

the seal. (See FIgure 3)

4.  If the seal is not properly formed, remove it and begin 

again. 

OPERATING

•  Before operating, review the enclosed General Hand 

Tools and Strapping Safety booklet. Only trained 

personnel should operate Uline Strapping Sealer.

CAUTION! Keep fingers away from areas that 

can pinch or cut. These areas are primarily 

located at the front of the tool. 

•  Only use equipment recommended for the strap. Uline 

High Tensile Strapping Sealers are recommended only 

for 0.025 – 0.031 gauge steel and each tool is specific 

to strap width.

•  Review the instructions and safety material on a 

regular basis. 

WARNING! Unsafe use may result in blindness, 

severe laceration, amputation or death. 

WARNING! Attempting to reseal will not ensure a 
proper seal and will decrease the break strength. 

WARNING! Never use the sealer to break the strap. 
Breaking the strap without the proper cutters may 
cause the strap to snap back toward the operator, 
possibly resulting in serious injury or death. This 
action will also cause damage to the sealer, 
which will require the sealer to be repaired or 
replaced at owner's expense.

SAFETY WARNINGS

Figure 1

Figure 2

Figure 3

Para Español, vea página 2.

Pour le français, consulter la page 3.

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