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Internal circulation screw

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Internal circulation screw SFU

Internal circulation design saves space

No gap, high rigidity, small driving torque, and can control micro feed within 0.1μm

ominal ModelThreading DirectionNumber of Turns (Turn-Row)Product Code
SS:Single nutR:RightTurn:T:1G:Ground
D:Double nutL:LeftA:15(or 1.7/1.8)F: Rolled
O: OFF set double nutB:25/2.8
FF:With flangeC:3.5
C:Without flangeNominal DiameterD:4.8Accuracy Grade
UNI:NI type nutUnit:mmex:(25x2=B2)CO,C1,C2,C3,C5,C7,C10
NU:NU type nut
H:H type nut
A:A type nutLeadFlange TypeOverall Length of Shaft
NH:NH nut(A solution for slide table)Unit:mmN:Not cuttingUnit:mm
Y:Ytype nutS:Single cutting
V:V type nutD: Double cutting
U:DIN nut
M:M type nut
K:K type nut
Axial Clearance and Preload ValueNumber of Nut
PO,P1,P2, P3,P4(Leave blank if only one nut is required)Ex:Install two nuts on a shaft B2
Nut Surface TreatmentShaft Surface Treatment
S:StandardS:Standard
B1:Black OxidationB1:Black Oxidation
N1:Hard Chrome PlatingN1:Hard Chrome Plating
P:PhosphatingP:Phosphating
N3:Nickel PlatingN3: Nickel Plating
N4: RaydentN4:Raydent
N5:Chrome PlatingN5:Chrome Plating

Internal circulation screw SFU supplier

Internal circulation screw SFU details

Model No.dIDaDimensionLoad RatingK kgf/um
DABLWHXQnCa(kgf)Coa(kgf)
YS-SFNU01605-41653.1752848104538405.5M61x41380305232
YS-SFNU01610-3103.1752848105738405.5M61x31103240126
YS-SFNU02005-42053.1753658105147446.6M61x41551387539
YS-SFNU02505-42553.1754062105151486.6M61x41724490445
YS-SFNU 02510-4104.7624062128051486.6M61x42954729550
YS-SFNU03205-43253.1755080125265629M61x41922634354
YS-SFNU 03210-4106.355080128565629M61x448051220861
YS-SFNU04005-44053.1756393145578709M81x42110798863
YS-SFNU04010-4106.356393148878709M81x453991550073
YS-SFNU05010-450106.35751101688938511M81x460041961485
YS-SFNU06310-463106.359012518931089511M81x467192535899
YS-SFNU08010-480106.35105145209312511013.5M81x4734631953109
YS-SFU01204-41242.52440104032304.51x4902188426
YS-SFU01604-41642.3812848104038405.5M61x4973240632
YS-SFU02004-42042.3813658104247446.6M61x41066298738
YS-SFU02504-42542,3814062104251486.6M61x41180379543
YS-SFU02506-463.9694062105451486.6M61x42318605747
YS-SFU02508-484.7624062106351486.6M61x42963731349
YS-SFU03204-43242.3815080124465629M61x41296483851
YS-SFU03206-463.9695080125765629M61x42632797957
YS-SFU03 208-484.7625080126565629M61x43387962260
YS-SFU04006-44063.9696393146078709M61x42873991366
YS-SFU04 008-484.7626393146778709M61x437121194770
YS-SFU05020-450207.1447511016138938511M81x471422258894
YS-SFU06 320-463209.525951352014911510013.5M81x41144436653112
YS-SFU08020-480209.5251251652515414513013.5M81x41291147747138
YS-SFU10020-4100209.5251502023018017015517.5M81x41430360698162

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