Thread Rolling Flat Dies are used in flat die thread rolling machines to form external threads on bolts, screws, and studs through cold forming. CYC provides flat dies for various thread standards (Metric, UNC, UNF, etc.) with precise tooth profiles engineered for high-volume thread rolling operations.

Types: Machine Thread, Tapping Thread, Taptite Thread, Stainless Thread Point

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Thread Rolling Flat Die Types

Machine Thread

Tapping Thread

Taptite Thread

Stainless Thread Point

Common Thread Rolling Flat Die Size

Following specification is only for your reference. For more information, please kindly download our catalog.

Machine Size	Thickness (S)	Height (H)	Fixed Die Length (L1)	Moving Die Length (L2)
0	19	25	51	65
3/16	25	25 / 40 / 55 / 65	78	89
1/4	25	25 / 40 / 45 / 55 / 65 / 80	100	115
5/16	25	25 / 40 / 45 / 55 / 65 / 80 / 105 / 130 / 155	127	140
3/8	25	25 / 40 / 45 / 55 / 65 / 80 / 105 / 130 / 155	150	165
1/2	35	55 / 65 / 80 / 105 / 130 / 155	190	215
3/4	38	55 / 65 / 80 / 105 / 130 / 155	230	265
7/8	42	55 / 80 / 105 / 155	290	310
1"	50	80 / 105 / 155	380	420
003	15	20	45	55
004	20	25	65	80
4R	20	25	60	70
5R	20	25	65	75
6R	25	25 / 40 / 55 / 65	90	105
8R	25	25 / 40 / 55 / 65 / 80	108	127
DR125	20.6	25 / 32 / 40	73.5(ø5°)	76.2(ø5°)
DR200	20.6	25 / 32 / 40 / 45 / 55	92.5(ø5°)	105.2(ø5°)
DR250	23.8	25 / 32 / 40 / 45 / 55	112.2(ø5°)	131.2(ø5°)

Special Thread Rolling Flat Die Size

Machine Size	Thickness (S)	Height (H)	Fixed Die Length (L1)	Moving Die Length (L2)
TR0	20	20 / 25 / 32	58	66
TR1	25	25 / 32 / 40 / 45 / 55	85	95
TR2	30	32 / 40 / 45 / 55 / 65 / 80 / 105	115	130
TR3	35	32 / 40 / 45 / 55 / 65 / 80 / 105	130	150
TR4	35	32 / 40 / 45 / 55 / 65 / 80 / 105	150	170
TR5	40	32 / 40 / 45 / 55 / 65 / 80 / 105	150	170
TR6	50	55 / 65 / 80 / 105	190	210

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