Trapezoidal Screw STR・STL

A model number	The screw part details (mm)					Standard norm axis length (mm)			Weight (kgf/m)
	Pitch P	Outer diameter Dk	Effective aperture Do	Bottom diameter Dr	A lead angle d°
STR 8	1.5	8	7.25	6.5	3°46'	500			0.6
STR(L)10	2	10	9.0	7.5	4°03'	1000	2000	3000	0.6
STR(L)12	2	12	11.0	9.5	3°19'	1000	2000	3000	0.8
STR(L)14	3	14	12.5	10.5	4°22'	1000	2000	3000	1.0
STR(L)16	3	16	14.5	12.5	3°46'	1000	2000	3000	1.3
STR(L)18	4	18	16.0	13.5	4°33'	1000	2000	3000	1.6
STR(L)20	4	20	18.0	15.5	4°03'	1000	2000	3000	2.0
STR(L)22	5	22	19.5	16.5	4°40'	1000	2000	3000	2.3
STR(L)25	5	25	22.5	19.5	4°03'	1000	2000	3000	3.1
STR(L)28	5	28	25.5	22.5	3°34'	1000	2000	3000	4.0
STR(L)32	6	32	29.0	25.5	3°46'	1000	2000	3000	5.2
STR(L)36	6	36	33.0	29.5	3°19'	1000	2000	3000	6.7
STR(L)40	6	40	37.0	33.5	2°57'	1000	2000	3000	8.4

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Trapezoidal Screw STW

A model number	The screw part details (mm)					Normal length (mm) Full length L [Threaded end length L1]	Weight (kgf/m)
	Pitch P	Outer diameter Dk	Effective aperture Do	Bottom diameter Dr	A lead angle d°
STW10	2	10	9.0	7.5	4°03'	1300 〔610〕	0.6
STW12	2	12	11.0	9.5	3°19'		0.8
STW14	3	14	12.5	10.5	4°22'		1.0
STW16	3	16	14.5	12.5	3°46'		1.3
STW18	4	18	16.0	13.5	4°33'		1.6
STW20	4	20	18.0	15.5	4°03'		2.0
STW22	5	22	19.5	16.5	4°40'		2.3
STW25	5	25	22.5	19.5	4°03'		3.1
STW28	5	28	25.5	22.5	3°34'		4.0
STW32	6	32	29.0	25.5	3°46'		5.2

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Trapezoidal Screw   STSR (L)

A model number	The screw part details ( mm)						A standard norm Maximum axis length (mm)	Weight (kgf/m)
	Pitch P	Outer diameter D	Effective aperture Do	Bottom diameter Dr	谷底径 (最小)	A lead angle d°
STSR(L)10	2	10	9.0	7.5	7.191	4°03'	2000	0.5
STSR(L)12	2	12	11.0	9.5	9.179	3°19'		0.8
STSR(L)14	3	14	12.5	10.5	10.135	4°22'		1.0
STSR(L)16	3	16	14.5	12.5	12.135	3°46'		1.3
STSR(L)18	4	18	16.0	13.5	13.074	4°33'		1.6
STSR(L)20	4	20	18.0	15.5	15.074	4°03'		2.0

Attention: To a greatest dimension, there is an incomplete threaded end at the both ends.

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straight type nut   SSTR・SSTL

A model number	Main dimensions (mm)				Weight (kg)	A dynamic permission thrust Fo (kgf)
	Pitch P	Outer diameter D	Full length L	R
SSTR 8	1.5	15	20		0.02	150
SSTR(L)10	2	20	20	1	0.04	210
SSTR(L)12	2	22	22	1	0.05	290
SSTR(L)14	3	22	22	1	0.05	370
SSTR(L)16	3	28	26	1	0.10	500
SSTR(L)18	4	32	31	1	0.16	700
SSTR(L)20	4	32	31	1	0.15	780
SSTR(L)22	5	36	40	1	0.24	1010
SSTR(L)25	5	36	40	1	0.21	1160
SSTR(L)28	5	44	45	1.5	0.39	1470
SSTR(L)32	6	44	45	1.5	0.32	1740
SSTR(L)36	6	52	49	1.5	0.53	2160
SSTR(L)40	6	58	57	1.5	0.72	2800

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flange type nut   BSTR・BSTL

A model number	Main dimensions (mm)							Weight (kg)	A dynamic permission thrust Fo (kgf)
	Pitch P	Outer diameter D	Flange outer diameter D1	A hole diameter D2	A hole pitch D3	Full length L	A flange thickness H
BSTR 8	1.5	15	30	4.3	22	20	5	0.04	150
BSTR(L)10	2	20	36	4.3	26	24	5	0.08	260
BSTR(L)12	2	22	44	5.4	31	30	5	0.12	400
BSTR(L)14	3	22	44	5.4	31	30	5	0.11	500
BSTR(L)16	3	28	51	6.6	38	35	6	0.20	680
BSTR(L)18	4	32	56	6.6	42	40	6	0.26	890
BSTR(L)20	4	32	56	6.6	42	40	6	0.26	1000
BSTR(L)22	5	36	61	6.6	47	50	7	0.41	1260
BSTR(L)25	5	36	61	6.6	47	50	7	0.35	1450
BSTR(L)28	5	44	76	9	58	56	8	0.63	1830
BSTR(L)32	6	44	76	9	58	56	8	0.58	2150
BSTR(L)36	6	52	84	9	66	60	8	0.82	2630
BSTR(L)40	6	58	98	11	76	70	10	1.25	3450

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Straight type nut made by resin   SSTJR・SSTJL

A model number	Main dimensions (mm)			Weight (g)	A dynamic permission thrust Fo (kgf)
	Pitch P	Outer diameter D	Full length L
SSTJR(L)10	2	20	20	7	22
SSTJR(L)12	2	22	22	9	29
SSTJR(L)14	3	22	22	8	35
SSTJR(L)16	3	28	26	17	46
SSTJR(L)18	4	32	31	26	63
SSTJR(L)20	4	32	31	24	70

Materials: A polyacetal
Attention: Please use it that combines a trapezoid screw made by stainless steel.

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Flange type nut made by resin   BSTJR・BSTJL

A model number	Main dimensions (mm)							Weight (g)	A dynamic permission thrust Fo (kgf)
	Pitch P	Outer diameter D	Flange outer diameter D1	A hole diameter D2	A hole pitch D3	Full length L	A flange thickness H
BSTJR(L)10	2	20	36	4.3	26	24	5	16	26
BSTJR(L)12	2	22	44	5.4	31	30	5	25	40
BSTJR(L)14	3	22	44	5.4	31	30	5	23	50
BSTJR(L)16	3	28	51	6.6	38	35	6	39	64
BSTJR(L)18	4	32	56	6.6	42	40	6	54	89
BSTJR(L)20	4	32	56	6.6	42	40	6	51	100

Materials: A polyacetal
Attention: Please use it that combines a trapezoid screw made by stainless steel.

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Block type nut   BSTBR・BSTBL

A model number	Main dimensions (mm)													Weight (kg)	A dynamic permission thrust Fo (kgf)
	Pitch P	h	W	H	L	L1	L2	W1	M1	ℓ1	M2	ℓ2	t
BSTBR(L)10	2	20	20	30	24	16	-	12	M4	8	-	-	6	0.10	260
BSTBR(L)12	2	23	22	34	30	21	9	13	M5	10	M5	15	6	0.15	400
BSTBR(L)14	3	23	22	34	30	21	9	13	M5	10	M5	15	6	0.114	500
BSTBR(L)16	3	27	28	41	35	25	11	18	M6	12	M6	18	7	0.26	680
BSTBR(L)18	4	29	32	45	40	30	16	22	M6	12	M6	18	7	0.38	890
BSTBR(L)20	4	29	32	45	40	30	16	22	M6	12	M6	18	7	0.36	1000

Materials: C6782

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Block wide type nut   BSTWR

A model number	Main dimensions (mm)												Weight (kg)	A dynamic permission thrust Fo (kgf)
	Pitch P	W	W1	W2	W3	L	L1	H	H1	h	M1	ℓ1
BSTWR10	2	30	20	15	8	24	16	20	4	10	M4	8	0.09	260
BSTWR12	2	38	26	19	10	30	20	22	5	11	M5	10	0.15	400
BSTWR14	3	38	26	19	10	30	20	22	5	11	M5	10	0.14	500
BSTWR16	3	22	32	22	10	35	24	28	5	14	M5	10	0.27	680
BSTWR18	3	48	36	24	11	40	28	32	6	16	M6	12	0.38	890
BSTWR20	4	48	36	24	11	40	28	32	6	16	M6	12	0.36	1000
BSTWR22	5	62	46	31	14	50	34	38	10	20	M8	16	0.67	1260
BSTWR25	5	62	46	31	14	50	34	38	10	20	M8	16	0.63	1450
BSTWR28	5	68	52	34	14	56	40	47	10	25	M8	16	1.04	1830
BSTWR32	6	68	52	34	14	56	40	47	10	25	M8	16	0.97	2150

Materials: C6782

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