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Straight Ejector Sleeves & One-Step Center Pin Sets -SKD61+Nitriding/Hole (Shaft) Diameter・L Dimension Designation Type-

Days to Ship : 8 Days

(1) SKD61(H13)(1.2344) equivalent +Nitrided
Surface 900HV~
Base material 40±3HRC

(2) SKD61(H13)(1.2344) equivalent +Nitrided
Surface 900HV~
Base material 40~45HRC

Straight Ejector Sleeves & One-Step Center Pin Sets -SKD61+Nitriding/Hole (Shaft) Diameter·L Dimension Designation Type-:Related Image
Part NumberHead Thickness (T•J) Tolerance Head Thickness (T•J)
ESNP-□4mm
(T4)
0
-0.02
ESJP-□4•6•8mm
(JIS)
0
-0.05

Clearance(cℓ)
between the ejector sleeve's internal diameter (VH7) and the center pin's shaft diameter (V).
Straight Ejector Sleeves & One-Step Center Pin Sets -SKD61+Nitriding/Hole (Shaft) Diameter·L Dimension Designation Type-:Related Image
H7 Dimension Tolerance
VTolerance
2.0~3.0+0.010
0
3.1~6.0+0.012
0
6.1~8.0+0.015
0

Head diameter/thickness of center pin
V4mm HeadJIS Head
QJQJ
2.04444
2.1~2.555
2.6~3.066
3.1~3.577
3.6~3.986
4.0
4.1~4.58
4.6~4.99
5.0
5.1~5.59
5.6~5.910
6.0
6.1~6.41011
6.5
6.6~7.0
7.1~7.51113
7.6~7.98
8.0

Range of guaranteed shaft diameter precision (Details Click here)
Range of guaranteed base material hardness (Details Click here)
Range of guaranteed surface hardness for nitriding (Details Click here)
No nitriding on the tip (ℓ) of center pin.

Straight Ejector Sleeves & One-Step Center Pin Sets -SKD61+Nitriding/Hole (Shaft) Diameter·L Dimension Designation Type-:Related Image
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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] [3.6-3.9/0.1mm 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
A (Center pin tip diameter)(mm)
[0.1-7.99/0.01mm increments]
C (Recess diameter)(mm)
[0.1-1/0.1mm increments]
E (Center pin tip diameter)(mm)
  • 2.5
[0.1-7.99/0.01mm increments] [1.5-2.4/0.1mm increments]
F (Center pin shaft diameter length)(mm)
[50-399.5/0.01mm increments]
L (L dimension)(mm)
[50-300/0.01mm increments]
S (V hole diameter length)(mm)
[20-100/1mm increments]
X (Full length of the center pin)(mm)
[70-400/0.01mm increments]
R(mm)
[0.3-5/0.1mm increments]
Type
  • ESNP-A
  • ESNP-C
  • ESNP-B
  • ESJP-A
  • ESNP-S
  • ESNP-D
  • ESJP-B
  • ESJP-C
  • ESNP-E
  • ESJP-E
  • ESJP-D
  • ESJP-S
Days to Ship
  • 8 Days or Less
CAD
  • 2D
  • 3D

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