Helical insert W.TEC<SUP>®</SUP> INSERT COIL Screw Grip - HELCINRT-SG-A2-M4X6

Helical insert W.TEC<SUP>®</SUP> INSERT COIL Screw Grip - HELCINRT-SG-A2-M4X6 - 1

Helical insert W.TEC<SUP>®</SUP> INSERT COIL Screw Grip - HELCINRT-SG-A2-M4X6 - 2

Helical insert W.TEC<SUP>®</SUP> INSERT COIL Screw Grip - HELCINRT-SG-A2-M4X6 - 3

Helical insert W.TEC<SUP>®</SUP> INSERT COIL Screw Grip - HELCINRT-SG-A2-M4X6 - 4

Helical insert W.TEC^® INSERT COIL Screw Grip

Name: Helical insert W.TEC ® INSERT COIL Screw Grip
Brand: Würth
SKU: 46264 6

Wire thread insert SG A2 W.TEC series
HELCINRT-SG-A2-M4X6
W.TEC

Art.-no. 46264 6

EAN 4046777805840

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Helical insert W.TEC^® INSERT COIL Screw Grip

Art.-no. 46264 6

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With reduced outer diameter for improved installation. For producing a lasting, heavy-duty female thread. With an additional screw grip (SG) area. Made of 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

Integrated loss protection

Proof of Performance

The clamping torques are comparable with the values of DIN 267 Part 15 or DIN EN ISO 2320.

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	With loss-preventing retainer
Thread type x nominal diameter	M4
Length built-in state (l₁)	6 mm
Outer diameter (d₁)	5 mm
Thread form	Standard metric thread
Pitch	0.7 mm
Core hole diameter	4.2 mm
Min. core hole depth	9.15 mm
Required thread depth at stud hole	8.45 mm
Locking device operating principle	Clamping by thread geometry
Locking function	Locking against loosening by clamping

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

Clamping torques for W.Tec® insert coil type: "screw grip"
Thread dimension	Max. clamping torque [Nm]	Min. clamping torque after the screw has been turned 5 times [Nm]
M2	0,12	0,003
M2.5	0,22	0,06
M3	0,44	0,1
M4	0,9	0,16
M5	1,6	0,2
M6	3	0,3
M8	6	0,6
M10	10,5	1
M12	15,5	1,6
M14	24	2,3
M16	32	3
M18	42	4,2
M20	54	5,3
M24	80	8
M30	108	12
M36	136	16