Helical insert W.TEC<SUP>®</SUP> INSERT COIL Free Running - HELCINRT-FR-A2-M8X16

Helical insert W.TEC<SUP>®</SUP> INSERT COIL Free Running - HELCINRT-FR-A2-M8X16 - 1

Helical insert W.TEC<SUP>®</SUP> INSERT COIL Free Running - HELCINRT-FR-A2-M8X16 - 2

Helical insert W.TEC<SUP>®</SUP> INSERT COIL Free Running - HELCINRT-FR-A2-M8X16 - 3

Helical insert W.TEC<SUP>®</SUP> INSERT COIL Free Running - HELCINRT-FR-A2-M8X16 - 4

Helical insert W.TEC^® INSERT COIL Free Running

Name: Helical insert W.TEC ® INSERT COIL Free Running
Brand: Würth
SKU: 46278 16

Wire thread insert FR A2 W.TEC series
HELCINRT-FR-A2-M8X16
W.TEC

Art.-no. 46278 16

EAN 4046777805369

All versions

Prices for customers after login

Helical insert W.TEC^® INSERT COIL Free Running

Art.-no. 46278 16

Prices for customers after login

Quantity

Exclusively for trade customers

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Call customer service: 1800 102 5061

For producing a lasting, heavy-duty female thread. With free running, true to gauge thread. Made of A2 stainless steel

Perfect combination of space-spacing and wear-resistant thread strength

In low-strength metal materials

In plastics

Optimal force distribution

Flexibility of the thread inserts compensates for pitch and angle errors

Thread insert sits securely

Minimised thread friction torque and minimised torsional stress

Increased corrosion resistance

Space and weight minimisation

Smaller number of required connection points and/or reduced screwing dimensions

Costs minimised

By reinforcing the thread, which effectively minimises the repair costs

Proof of Performance

The tolerance position of the ISO thread corresponds to 6H following installation.

Product information

Würth Catalogue

Datasheets(X)

CAD data (available after login)

Certificates/ Documents

Instructions

A resistant thread in 4 steps:

Step 1:

Drill a core hole or drill out the damaged thread

Step 2:

Create a receiving thread

By cutting using screw tap

Without cutting using thread moulding for an even more resilient receiving thread

Step 3:

Set the thread insert

The helical insert can be mounted both mechanically and also by hand using the corresponding screw-in tool.

Step 4:

Break the pin

Separate the follower pin by tapping gently on the predetermined break point with a pin breaker, and then remove. Automatic pin breakers are also available for series production.


Material	Stainless steel A2
Surface	Plain
Design	Free running
Thread type x nominal diameter	M8
Length built-in state (l₁)	16 mm
Outer diameter (d₁)	9.7 mm
Thread form	Standard metric thread
Pitch	1.25 mm
Core hole diameter	8.3 mm
Min. core hole depth	21.63 mm
Required thread depth at stud hole	20.38 mm

Determining the nominal length (reference values)
Material strength of workpiece Rm in N/mm²	Nominal lengths for thread inserts depending on the strength class of the screw or the yield strength of the screw material in N/mm²
	5.8/400	8.8/640	10.9/900	12.9/1080
up to 150	2 d	2.5 d	2.5 d	2.5 d
Over 150 up to 200	1.5 d	2 d	2 d	2.5 d
Over 200 up to 250	1.5 d	1.5 d	2 d	2.5 d
Over 250 up to 300	1 d	1.5 d	1.5 d	2 d
Over 300 up to 400	1 d	1 d	1.5 d	1.5 d
Over 400	1 d	1 d	1.5 d	1.5 d
Thread inserts with a nominal length that corresponds to the material strength of the workpiece and the strength class of the screw (in accordance with the table) achieve the minimum breaking force of the screw as per ISO 898-1