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Free Running Helical Inserts

HELICOIL Free Running Helical Inserts

Helicoil free running inserts are used to make threads or repair worn threads inside tapped holes and are suitable for offering reliable threading in metals, composites, wood & similar materials. These inserts are usually larger in diameter than tapped holes and are compressed while being inserted, thereby providing maximum surface contact area.

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Helicoil free running inserts are suitable for repairing stripped-out threads and providing stronger threads in soft materials, such as aluminium, magnesium and fibre-reinforced plastics. These...Read more

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1 3/8"-6 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Finish	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	K1185-22	2.062"	1.62"	Tanged	Plain	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€70.70	1

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1 1/8"-7 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Finish	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	K1185-18	1.688"	1.335"	Tanged	Plain	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€59.76	1

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7/8"-14 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Finish	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	K1191-14	1 5/16"	1.036"	Tanged	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€31.08	1

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5/8"-18 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Finish	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	R1191-10	15/16"	0.746"	Tanged	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€88.81	6

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1/2"-20 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Finish	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	R1191-8	3/4"	0.605"	Tanged	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€43.00	6

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3/8"-24 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Finish	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	R1191-6	9/16"	0.458"	Tanged	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€42.36	12

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1/4"-28 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Finish	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	A1191-4CN500	1/2"	0.316"	Tanged	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€130.02	100
A	A1191-4CNW500	1/2"	0.316"	Tanged	Dry Film Lubricant	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€166.52	100
A	1191-4CN500S	1/2"	0.316"	Tanged	-	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€824.90	1000
B	AT1191-4C500	1/2"	0.316"	Tangless	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€102.47	100
B	T1191-4C500S	1/2"	0.316"	Tangless	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€1,203.83	500
A	1191-4CNW250S	1/4"	0.316"	Tanged	Dry Film Lubricant	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€767.36	1000
A	A1191-4CN250	1/4"	0.326"	Tanged	-	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€114.80	100
A	1191-4CN250S	1/4"	0.316"	Tanged	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€1,405.14	1000
A	A1191-4CNW250	1/4"	0.316"	Tanged	Dry Film Lubricant	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€141.41	100
B	AT1191-4C250	1/4"	0.316"	Tangless	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€88.27	100
B	T1191-4C250S	1/4"	0.316"	Tangless	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€1,092.52	1000
B	AT1191-4C375	3/8"	0.316"	Tangless	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€97.32	100
B	T1191-4C375S	3/8"	0.316"	Tangless	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€1,644.22	1000
A	A1191-4CNW375	3/8"	0.316"	Tanged	Dry Film Lubricant	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€158.69	100
A	A1191-4CN375	3/8"	0.316"	Tanged	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€101.28	100
A	1191-4CN375S	3/8"	0.316"	Tanged	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€1,408.01	1000

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#10-24 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Finish	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	A1185-3CN190	0.19"	0.251"	Tanged	Plain	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€125.11	100
B	T1185-3C190S	0.19"	0.251"	Tangless	Plain	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€772.36	1000
B	AT1185-3C190	0.19"	-	Tangless	Plain	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€100.15	100
A	A1185-3CNW190	0.19"	0.251"	Tanged	Dry Film Lubricant	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€134.94	100
A	1185-3CN190S	0.19"	0.251"	Tanged	Plain	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€1,460.30	1000
B	AT1185-3C380	0.38"	0.253"	Tangless	Plain	-	Right Hand	200000 psi to 250000 psi	-	€141.41	100
A	A1185-3CN380	0.38"	0.251"	Tanged	Plain	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€130.02	100
B	T1185-3C380S	0.38"	0.251"	Tangless	Plain	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€2,699.09	1000
A	1185-3CN380S	0.38"	0.251"	Tanged	Plain	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€1,369.69	1000
A	1185-3CN285S	0.285"	0.251"	Tanged	Plain	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€1,039.85	1000
B	R1185-3	0.285"	0.251"	Tanged	Plain	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€30.96	12
A	A1185-3CNW285	0.285"	0.251"	Tanged	Dry Film Lubricant	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€141.41	100
B	AT1185-3C285	0.285"	0.253"	Tangless	Plain	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€128.17	100
B	T1185-3C285S	0.285"	0.251"	Tangless	Plain	Coarse	-	200000 psi to 250000 psi	Rockwell C43-C50	€3,388.23	1000
A	A1185-3CN285	0.285"	0.251"	Tanged	Plain	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€93.65	100

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M20 x 2.5 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Finish	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	R1084-20	30 mm	23.98 mm	Tanged	Plain	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€80.42	4

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M10 x 1 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Finish	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	R474-4	1/2"	0.494"	Tanged	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€32.37	6
A	R4255-10	15 mm	12.23 mm	Tanged	-	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€56.86	12

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M18 x 1.5 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Finish	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	R514-6	1/2"	0.895"	Tanged	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€50.56	6

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M14 x 2 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Finish	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	R1084-14	21 mm	17 mm	Tanged	Plain	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€66.43	6

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M12 x 1.25 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Finish	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	R4649-12	18 mm	14.65 mm	Tanged	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€43.12	6

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M10 x 1.25 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Finish	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	R4649-10	15 mm	12.38 mm	Tanged	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€56.86	12

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M8 x 1 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Finish	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	R4255-8	12 mm	9.98 mm	Tanged	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€38.97	12

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M4 x 0.7 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Finish	Free Coil Dia.	Tang Type	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	1084-4CN040S	4 mm	Plain	5.325 mm	Tanged	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€936.59	1000
A	A1084-4CN040	4 mm	Plain	5.325 mm	Tanged	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€114.98	100
A	A1084-4CNW040	4 mm	Dry Film Lubricant	5.325 mm	Tanged	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€134.94	100
A	A1084-4CN050	5 mm	Plain	5.325 mm	Tanged	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€268.98	100
A	A1084-4CNW060	6 mm	Dry Film Lubricant	5.325 mm	Tanged	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€141.41	100
B	R1084-4	6 mm	Plain	5.325 mm	Tanged	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€32.71	12
A	1084-4CNW060S	6 mm	Dry Film Lubricant	5.325 mm	Tanged	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€1,697.96	1000
A	A1084-4CN060	6 mm	Plain	5.325 mm	Tanged	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€115.72	100
A	1084-4CN060S	6 mm	Plain	5.325 mm	Tanged	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€1,190.74	1000
A	1084-4CN080S	8 mm	Plain	5.325 mm	Tanged	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€1,495.64	1000
A	A1084-4CN080	8 mm	Plain	5.325 mm	Tanged	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€130.02	100
A	A1084-4CN100	10 mm	-	5.325 mm	Tanged	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€156.18	100
A	A1084-4CN120	12 mm	Plain	5.325 mm	Tanged	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€172.67	100

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M14 x 1.25 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Finish	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	R513-20	0.472"	11/16"	Tanged	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€31.81	6
A	R513-13	1/2"	11/16"	Tanged	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€49.90	6
A	R513-10	3/4"	11/16"	Tanged	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€70.06	6

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1 3/8"-12 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Finish	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	K1191-22	2.062"	1.593"	Tanged	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€74.59	1

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1 1/8"-12 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Finish	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	K1191-18	1.688"	1.319"	Tanged	Plain	Fine	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€56.44	1

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1"-8 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Finish	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	K1185-16	1 1/2"	1.181"	Tanged	Plain	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€37.51	1

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3/4"-10 Grade 304 Stainless Steel Free Running Helical Inserts

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Style	Model	Insert Length	Free Coil Dia.	Tang Type	Thread Type	Thread Direction	Tensile Strength	Hardness	Price	Pkg. Qty.
A	R1185-12	1 1/8"	0.893"	Tanged	Coarse	Right Hand	200000 psi to 250000 psi	Rockwell C43-C50	€81.67	4

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