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Aluminum Bobbin, 1.spinning spare parts/textile machinery parts, 2.material:Aluminum, 3.OEM service - details see: https://www.machineto.com/new-design-spring-aluminum-bobbin-in-china-10271660

1)Material: Aluminum Alloy

2) Diameter: tolerance:+/-0.001mm.
3)Character: 1.attractive and durable
2.corrosion resistance
3.high accuracy

Type	Weight (g)	d1 (mm)	D1 (mm)	d2 (mm)	D2 (mm)	H1 (mm)	H2 (mm)	d3 (mm)	A1 (mm)	A2 (mm)	d4 (mm)	E (mm)
DIN-125	170	125		80		100	125	20	12.5	12.5	7	20
DIN-160	350	160		100		128	160	22	16	16	13	32
DIN-200A	600	200		125		160	200	22	20	20	13.5	32
DIN-200B	600	200		125		160	200	32	20	20	13.5	32
DIN-200C	650	200		125		160	200	32	20	20
DIN-250A	1050/1200	250		160		160	200	22	20	20	13	32
DIN-250B	1050	250		160		160	200	32	20	20	13	32
S-250	1230	250		160		157	197	127	20	20
NP-13A	885	202		119		154	188	32	17	17	9/14	49/26.75
NP-13B	885	202		119		154	188	33	17	17	9.5/12.5	50.25/26.25
NS-4	225	120		75		130	150	16/20	10	10	10	22
NS-5A	220	120		54		130	150	16/20	10	10
NS-5B	220	120		54		130	150	22	10	10
LH-120	170	120		50		100	120	16/20	10	10