standard size inserts for model making, sls and rapid prototyping, thread size and measurements
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We can fit inserts into your prototype parts but to do so the hole needs to be a specific size, i.e. for an M4 (4mm) insert the receiving hole should be 5.75mm. Below is a list of the standard size inserts we can supply and fit.

Thread size (mm) Depth (mm) Receiving Hole (mm) Minimum Wall Thickness (mm)
M2.5 4.10 4.00 2.3
M3 4.10 4.00 2.3
M4 5.60 5.75 2.5
M5 6.60 6.40 2.7
M6 7.70 8.00 3.0
M8 8.30 10.50 3.5
M10 10.10 12.90 6.0

Brass Inserts are installed by pressing into the receiving hole, that has been drilled out to the sizes as stated above.

We would recommend that holes are 0.5mm smaller than requirement to ensure best fit after drilling.

Minimum wall thicknesses should be exceeded where possible, to strengthen the insert fitment.



 

 

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3T RPD LTD
Fulton Court, Wofford Way, New Greenham Park, Newbury, Berkshire, RG19 6HD, UK
Telephone: +44 (0)1635 580284 | Fax: +44 (0)1635 569857 | E-mail: post@3trpd.co.uk

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