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Installation onto an existing concrete  oor

Installation onto ground

1. Place your letterbox in 

the chosen location and 
mark the mounting hole 
with a pencil.

3. Place the letterbox back over the concrete hole just drilled. 

To bolt the letterbox to the concrete  oor, refer to the 
steps below.

 

 

 

 

 

 

1. Dig a hole approximately 

45cm x 35cm x 10cm deep.

2. Fill hole with concrete.

You will need to install a small concrete slab that is suitable for your 
parcel letterbox to be bolted onto.

3. Use a spirit level to level the 

concrete and then leave it to 
fully dry.

4. Place your letterbox onto the 

concrete slab and mark the 
mounting hole with a pencil.

5. Drill a hole (10mm diameter x 

70mm deep) into the concrete 
slab for the mounting bolt.

2. Drill a hole (10mm diameter x 

70mm deep) into the concrete 

oor for the mounting bolt.

Ascot

 Pillar

790

- 10mm Masonry Drill Bit

- Spirit Level

Required

Tools

- Hammer Drill

www.milkcan.com.au

support@milkcan.com.au

(03) 9464 6964

56 Northgate Drive,
Thomastown VIC 3043

Choosing a Suitable Location

You will need to install it in a location that is easily accessible to Australia Post and couriers. 

6. Place the letterbox back over the concrete hole just drilled. To 

bolt the letterbox to the concrete  oor, refer to the steps below.

1. Check the nut on the expansion bolt has not been tightened, it needs to be loose.

2. Insert the expansion bolt into the concrete through the hole in the base of the letterbox.

3. Tap the expansion bolt fully down. If you encounter some resistance, you may need 

a hammer to tap the bolt further into the concrete.

4. Tighten the nut with the tube spanner provided. 

Installation using the expansion bolt

1.0

10cm

10cm

35cm

FRONT

40cm

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