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Short Ejector Sleeves (Bushings For Ejector Pins)

Days to Ship : 6 Days

SKD61(H13)(1.2344) equivalent +Nitrided
Surface: 900HV~
Base material: 40±3HRC
Range of guaranteed base material hardness(Details Click here)
Range of guaranteed surface hardness for nitriding(Details Click here)
Short Ejector Sleeves (Bushings For Ejector Pins):Related Image

VH7
V≤3.03.1≤V≤6.0V≥6.1
+0.010
0
+0.012
0
+0.015
0

S dimension depends on the designated L dimension.
LS
15.00~30.00S=L
30.01~50.00S=L-20

Part Number VApplicable center pin shaft diameter tolerance
ECB
ECBB
H7*Note that for sleeves with V dimension tolerance of H7, combination with center pins
that have shaft diameter tolerance is not available. The reason for this is fitting sections S are longer.(Details Click here)

Guaranteed shaft-diameter precision range (Details Click here)
x1 max.10
Part Number
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Product composition
  • Single sleeve
  • Center pin sets
Material
  • M2
  • H13
Surface treatment
  • No
  • Nitrided
Head thickness
  • 4mm(T4)
  • 6mm(JIS)
  • 8mm(JIS)
Shaft diameter tolerance
  • 0/-0.005
  • -0.01/-0.02
  • -0.01/-0.03
D/P (Shaft diameter)(mm)
  • 2.5
  • 3
  • 3.5
  • 4
  • 4.5
  • 5
  • 5.5
  • 6
  • 6.5
  • 7
  • 7.5
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 20
[2.5-15.99/0.01mm increments] [16.01-19.99/0.01mm increments]
V (Hole diameter)(mm)
  • 0.5
  • 1.5
  • 2
  • 2.5
  • 3
  • 3.5
  • 4
  • 4.5
  • 5
  • 5.5
  • 6
  • 6.5
  • 7
  • 8
  • 8.5
  • 9
  • 10
  • 11
  • 12
  • 15
[0.8-12.2/0.01mm increments] [1-8.5/0.5mm increments] [1.5-16/0.1mm increments] [2.1-2.4/0.1mm increments] [2.6-2.9/0.1mm increments] [3.1-3.9/0.1mm increments] [4.1-5.9/0.1mm increments] [6.1-7.9/0.1mm increments] [7-10/1mm increments] [8-8.5] [80-300/0.01mm increments]
Concentricity between the hole and shaft diameters
  • ◎0.005
  • ◎0.01
  • ◎0.03
  • ◎0.06
Boring method
  • Grinding
  • Wire cutting & polishing
  • Reaming
Inner dia. tolerance
  • +0.005/0
  • +0.01/0
  • H7
Tapered or not
  • Yes
  • No
Center pin tip shape
  • No
  • S
  • A
  • B
  • C
  • D
  • E
Shaft diameter designation method
  • V dimension designation
  • V dimension selection
L (L dimension)(mm)
[15-50/0.01mm increments]
Type
  • ECBB
  • ECB
Days to Ship
  • 6 Days or Less
CAD
  • 2D
  • 3D

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