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Back to K0399 - Reinforced Threaded Inserts In Steel & Stainless Steel Size M4-M24
K0399 Reinforced Thread Inserts In Steel Size M4-M24

K0399 Reinforced Thread Inserts In Steel Size M4-M24

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Material:
Threaded insert in steel.

Version:
Passivated.

Note:
Reinforced threaded inserts allow threaded holes which have been damaged, torn out or jammed to be used again or to be repaired. This makes it possible to recover scrap and rejects of expensive products.
Reinforced threaded inserts are suitable for use in various materials, including light metals and casting.
Inserts with internal threads larger than M6 are supplied with four locking pins instead of two.
Permissible deviations:
The medium tolerance class applies to the threads listed, i.e. 6H for nut threads and 6g for bolt threads. Other dimensions ±0.25 mm.

With reinforced threaded inserts we also offer a version with a stronger cross-section for use in applications with greater stress.

Technical information see operating instructions for threaded inserts.

Advantages:
Easier and quicker installation.
- The insert is fixated with wedges to prevent torsion due to twisting or vibrations.
- No other special tools are needed besides the assembly tool.

Threaded Insert. Standard. M18x1.5 Internal Thread. M24x1.5 External Thread. Steel.

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	D1 internal thread	D2 external thread	Core drill Ø	Tap size	Min. thread depth	Counter- sink Ø +0.25	L length	Removal , drill , Ø	Removal drilling depth	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
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K0399.04 View product Threaded Insert. Standard. M4 Internal Thread. M8 External Thread. Steel.	M4	M8	6,9	M8	9,5	8,3	8	5,5	4	£8.83 £10.60		0 Dispatched 20/06/25

	D1 internal thread	D2 external thread	Core drill Ø	Tap size	Min. thread depth	Counter- sink Ø +0.25	L length	Removal , drill , Ø	Removal drilling depth	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
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K0399.05 View product Threaded Insert. Standard. M5 Internal Thread. M10x1.25 External Thread. Steel.	M5	M10x1,25	8,8	M10x1,25	12,5	10,3	10	7,5	4,8	£4.56 £5.47		0 Dispatched 20/06/25

	D1 internal thread	D2 external thread	Core drill Ø	Tap size	Min. thread depth	Counter- sink Ø +0.25	L length	Removal , drill , Ø	Removal drilling depth	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
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K0399.06 View product Threaded Insert. Standard. M6 Internal Thread. M12x1.25 External Thread. Steel.	M6	M12x1,25	10,8	M12x1,25	14,5	12,3	12	9,5	4,8	£4.91 £5.89		0 Dispatched 20/06/25

	D1 internal thread	D2 external thread	Core drill Ø	Tap size	Min. thread depth	Counter- sink Ø +0.25	L length	Removal , drill , Ø	Removal drilling depth	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
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K0399.08 View product Threaded Insert. Standard. M8 Internal Thread. M14x1.5 External Thread. Steel.	M8	M14X1,5	12,8	M14X1,5	16,5	14,3	14	11,5	4,8	£5.44 £6.53		0 Dispatched 20/06/25

	D1 internal thread	D2 external thread	Core drill Ø	Tap size	Min. thread depth	Counter- sink Ø +0.25	L length	Removal , drill , Ø	Removal drilling depth	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
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K0399.08X1 View product Threaded Insert. Standard. M8x1 Internal Thread. M14x1.5 External Thread. Steel.	M8X1	M14X1,5	12,8	M14X1,5	16,5	14,3	14	11,5	4,8	£5.44 £6.53		0 Dispatched 20/06/25

	D1 internal thread	D2 external thread	Core drill Ø	Tap size	Min. thread depth	Counter- sink Ø +0.25	L length	Removal , drill , Ø	Removal drilling depth	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
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K0399.10 View product Threaded Insert. Standard. M10 Internal Thread. M16x1.5 External Thread. Steel.	M10	M16x1,5	14,8	M16x1,5	18,5	16,3	16	13,5	4,8	£6.79 £8.15		28 28 in stock

	D1 internal thread	D2 external thread	Core drill Ø	Tap size	Min. thread depth	Counter- sink Ø +0.25	L length	Removal , drill , Ø	Removal drilling depth	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
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K0399.10X125 View product Threaded Insert. Standard. M10x1.25 Internal Thread. M16x1.5 External Thread. Steel.	M10x1,25	M16x1,5	14,8	M16x1,5	18,5	16,3	16	13,5	4,8	£7.57 £9.08		0 Dispatched 20/06/25

	D1 internal thread	D2 external thread	Core drill Ø	Tap size	Min. thread depth	Counter- sink Ø +0.25	L length	Removal , drill , Ø	Removal drilling depth	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
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K0399.12 View product Threaded Insert. Standard. M12 Internal Thread. M18x1.5 External Thread. Steel.	M12	M18X1,5	16,8	M18X1,5	20,5	18,3	18	15,5	4,8	£8.71 £10.45		0 Dispatched 20/06/25

	D1 internal thread	D2 external thread	Core drill Ø	Tap size	Min. thread depth	Counter- sink Ø +0.25	L length	Removal , drill , Ø	Removal drilling depth	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
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K0399.12X125 View product Threaded Insert. Standard. M12x1.25 Internal Thread. M18x1.5 External Thread. Steel.	M12x1,25	M18X1,5	16,8	M18X1,5	20,5	18,3	18	15,5	4,8	£8.71 £10.45		0 Dispatched 20/06/25

	D1 internal thread	D2 external thread	Core drill Ø	Tap size	Min. thread depth	Counter- sink Ø +0.25	L length	Removal , drill , Ø	Removal drilling depth	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
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K0399.14 View product Threaded Insert. Standard. M14 Internal Thread. M20x1.5 External Thread. Steel.	M14	M20x1,5	18,8	M20x1,5	22,5	20,3	20	17,5	4,8	£10.79 £12.95		0 Dispatched 20/06/25

	D1 internal thread	D2 external thread	Core drill Ø	Tap size	Min. thread depth	Counter- sink Ø +0.25	L length	Removal , drill , Ø	Removal drilling depth	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
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K0399.14X15 View product Threaded Insert. Standard. M14x1.5 Internal Thread. M20x1.5 External Thread. Steel.	M14X1,5	M20x1,5	18,8	M20x1,5	22,5	20,3	20	17,5	4,8	£10.79 £12.95		0 Dispatched 20/06/25

	D1 internal thread	D2 external thread	Core drill Ø	Tap size	Min. thread depth	Counter- sink Ø +0.25	L length	Removal , drill , Ø	Removal drilling depth	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS												Basket
K0399.16 View product Threaded Insert. Standard. M16 Internal Thread. M22x1.5 External Thread. Steel.	M16	M22X1,5	20,7	M22X1,5	24,5	22,3	22	17,8	6,4	£12.56 £15.07		33 33 in stock

	D1 internal thread	D2 external thread	Core drill Ø	Tap size	Min. thread depth	Counter- sink Ø +0.25	L length	Removal , drill , Ø	Removal drilling depth	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
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K0399.16X15 View product Threaded Insert. Standard. M16x1.5 Internal Thread. M22x1.5 External Thread. Steel.	M16x1,5	M22X1,5	20,7	M22X1,5	24,5	22,3	22	17,8	6,4	£12.56 £15.07		0 Dispatched 20/06/25

	D1 internal thread	D2 external thread	Core drill Ø	Tap size	Min. thread depth	Counter- sink Ø +0.25	L length	Removal , drill , Ø	Removal drilling depth	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS												Basket
K0399.18X15 View product Threaded Insert. Standard. M18x1.5 Internal Thread. M24x1.5 External Thread. Steel.	M18X1,5	M24X1,5	22,5	M24X1,5	26,5	24,3	24	19,8	6,4	£18.47 £22.16		5 5 in stock

	D1 internal thread	D2 external thread	Core drill Ø	Tap size	Min. thread depth	Counter- sink Ø +0.25	L length	Removal , drill , Ø	Removal drilling depth	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
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K0399.20 View product Threaded Insert. Standard. M20 Internal Thread. M30x2 External Thread. Steel.	M20	M30x2	28	M30x2	34,5	30,3	30	25,8	6,4	£21.74 £26.09		0 Dispatched 20/06/25

	D1 internal thread	D2 external thread	Core drill Ø	Tap size	Min. thread depth	Counter- sink Ø +0.25	L length	Removal , drill , Ø	Removal drilling depth	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS												Basket
K0399.20X15 View product Threaded Insert. Standard. M20x1.5 Internal Thread. M30x2 External Thread. Steel.	M20x1,5	M30x2	28	M30x2	34,5	30,3	30	25,8	6,4	£21.74 £26.09		0 Dispatched 20/06/25

	D1 internal thread	D2 external thread	Core drill Ø	Tap size	Min. thread depth	Counter- sink Ø +0.25	L length	Removal , drill , Ø	Removal drilling depth	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS												Basket
K0399.22X15 View product Threaded Insert. Standard. M22x1.5 Internal Thread. M32x2 External Thread. Steel.	M22X1,5	M32x2	30	M32x2	36,5	32,3	32	27,8	6,4	£27.76 £33.31		0 Dispatched 20/06/25

	D1 internal thread	D2 external thread	Core drill Ø	Tap size	Min. thread depth	Counter- sink Ø +0.25	L length	Removal , drill , Ø	Removal drilling depth	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS												Basket
K0399.24 View product Threaded Insert. Standard. M24 Internal Thread. M33x2 External Thread. Steel.	M24	M33X2	31	M33X2	37,5	33,3	33	28,8	6,4	£39.43 £47.32		0 Dispatched 20/06/25

	D1 internal thread	D2 external thread	Core drill Ø	Tap size	Min. thread depth	Counter- sink Ø +0.25	L length	Removal , drill , Ø	Removal drilling depth	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS												Basket
K0399.24X2 View product Threaded Insert. Standard. M24x2 Internal Thread. M33x2 External Thread. Steel.	M24x2	M33X2	31	M33X2	37,5	33,3	33	28,8	6,4	£39.43 £47.32		0 Dispatched 20/06/25

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Dispatch by 20/06/25

Item Code: K0399.04

Threaded Insert. Standard. M4 Internal Thread. M8 External Thread. Steel.

£8.83 Excl VAT £10.60 Inc VAT

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Item Code: K0399.05

Threaded Insert. Standard. M5 Internal Thread. M10x1.25 External Thread. Steel.

£4.56 Excl VAT £5.47 Inc VAT

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Item Code: K0399.06

Threaded Insert. Standard. M6 Internal Thread. M12x1.25 External Thread. Steel.

£4.91 Excl VAT £5.89 Inc VAT

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Item Code: K0399.08

Threaded Insert. Standard. M8 Internal Thread. M14x1.5 External Thread. Steel.

£5.44 Excl VAT £6.53 Inc VAT

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Item Code: K0399.08X1

Threaded Insert. Standard. M8x1 Internal Thread. M14x1.5 External Thread. Steel.

£5.44 Excl VAT £6.53 Inc VAT

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28 in stock

Item Code: K0399.10

Threaded Insert. Standard. M10 Internal Thread. M16x1.5 External Thread. Steel.

£6.79 Excl VAT £8.15 Inc VAT

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Item Code: K0399.10X125

Threaded Insert. Standard. M10x1.25 Internal Thread. M16x1.5 External Thread. Steel.

£7.57 Excl VAT £9.08 Inc VAT

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Item Code: K0399.12

Threaded Insert. Standard. M12 Internal Thread. M18x1.5 External Thread. Steel.

£8.71 Excl VAT £10.45 Inc VAT

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Dispatch by 20/06/25

Item Code: K0399.12X125

Threaded Insert. Standard. M12x1.25 Internal Thread. M18x1.5 External Thread. Steel.

£8.71 Excl VAT £10.45 Inc VAT

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Item Code: K0399.14

Threaded Insert. Standard. M14 Internal Thread. M20x1.5 External Thread. Steel.

£10.79 Excl VAT £12.95 Inc VAT

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Item Code: K0399.14X15

Threaded Insert. Standard. M14x1.5 Internal Thread. M20x1.5 External Thread. Steel.

£10.79 Excl VAT £12.95 Inc VAT

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33 in stock

Item Code: K0399.16

Threaded Insert. Standard. M16 Internal Thread. M22x1.5 External Thread. Steel.

£12.56 Excl VAT £15.07 Inc VAT

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Item Code: K0399.16X15

Threaded Insert. Standard. M16x1.5 Internal Thread. M22x1.5 External Thread. Steel.

£12.56 Excl VAT £15.07 Inc VAT

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5 in stock

Item Code: K0399.18X15

Threaded Insert. Standard. M18x1.5 Internal Thread. M24x1.5 External Thread. Steel.

£18.47 Excl VAT £22.16 Inc VAT

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Item Code: K0399.20

Threaded Insert. Standard. M20 Internal Thread. M30x2 External Thread. Steel.

£21.74 Excl VAT £26.09 Inc VAT

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Item Code: K0399.20X15

Threaded Insert. Standard. M20x1.5 Internal Thread. M30x2 External Thread. Steel.

£21.74 Excl VAT £26.09 Inc VAT

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Dispatch by 20/06/25

Item Code: K0399.22X15

Threaded Insert. Standard. M22x1.5 Internal Thread. M32x2 External Thread. Steel.

£27.76 Excl VAT £33.31 Inc VAT

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Dispatch by 20/06/25

Item Code: K0399.24

Threaded Insert. Standard. M24 Internal Thread. M33x2 External Thread. Steel.

£39.43 Excl VAT £47.32 Inc VAT

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Dispatch by 20/06/25

Item Code: K0399.24X2

Threaded Insert. Standard. M24x2 Internal Thread. M33x2 External Thread. Steel.