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Core Pins For Boss -Gas Release Hole Type-

Days to Ship : 8 Days

•Material Table
Type HRC
Shaft diameter (D) selection type Shaft diameter (P) designation type DorP A B
GV-BCHS-□□ GV-BCHBS-□□ SKH51(M2)(1.3343)
 equivalent
58~60 0
-0.005
0
-0.02
±0.02
GV-BCVS-□□ GV-BCVBS-□□ 0
-0.01

Core Pins For Boss -Gas Release Hole Type-:Related Image

■Counterbore Size
W dimension is determined depending on V dimension.
W V
3 0.80~1.50
4 1.51~2.00
5 2.01~2.50
6 2.51~3.00
7 3.01~4.00

Shape
SS
Core Pins For Boss -Gas Release Hole Type-:Related Image
V≤A-0.5
CS
Core Pins For Boss -Gas Release Hole Type-:Related Image
V≤A-0.5
0.2≤C≤0.5
C≤{(DorP)-A-0.2}/2
RG
Core Pins For Boss -Gas Release Hole Type-:Related Image
V≤A-2G-0.5
0.3≤R≤0.5
0.25≤G≤1.0 A≥2G+0.5
SG
Core Pins For Boss -Gas Release Hole Type-:Related Image
V≤A-2G-0.5
0.25≤G≤1.0 A≥2G+0.5
CG
Core Pins For Boss -Gas Release Hole Type-:Related Image
V≤A-2G-0.5
0.2≤C≤0.5 0.25≤G≤1.0
C≤{(DorP)-A-0.2}/2 A≥2G+0.5
Core Pins For Boss -Gas Release Hole Type-:Related Image
Refer to "Core Sleeves" in Reference 1, Reference 2 for the shape of boss height 4mm or more.
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Material
  • M2
  • H13
Shaft diameter tolerance
  • -0.01/-0.02
  • 0/-0.005
Hole tolerance
  • 0/-0.04
  • 0/-0.02
  • 0/-0.01
D/P (Shaft diameter)(mm)
  • 2
  • 2.5
  • 3
  • 3.5
  • 4
  • 4.5
  • 5
  • 5.5
  • 6
  • 6.5
  • 7
  • 8
[1.5-7.99/0.01mm increments]
With/without gas release shape
  • Yes
  • No
Hole shape type
  • SS
  • CS
  • RS
  • BL
  • SG
  • CG
  • RG
  • BS
  • SQ
  • CQ
  • RQ
No. (Nominal diameter)(mm)
  • 3
  • 3.5
  • 4
  • 4.5
  • 5
  • 5.5
  • 6
A (Hole diameter)(mm)
  • 1.5
[1.5-4.5/0.01mm increments]
B (Hole depth)(mm)
[0.5-4/0.01mm increments]
C (Chamfering width)(mm)
[0.2-0.5/0.05mm increments]
G (Chamfering width)(mm)
[0.25-1/0.05mm increments]
L (L dimension)(mm)
[10-60/0.01mm increments]
R (Hole end face R)(mm)
[0.3-0.5/0.05mm increments]
V (Hole diameter)(mm)
[0.8-4.5/0.01mm increments]
Type
  • GV-BCVS-SG
  • GV-BCVS-RG
  • GV-BCHS-SG
  • GV-BCVS-SS
  • GV-BCHBS-CS
  • GV-BCHS-CG
  • GV-BCHBS-SG
  • GV-BCVBS-SG
  • GV-BCVBS-RG
  • GV-BCHBS-RG
  • GV-BCVBS-CG
  • GV-BCVS-CS
  • GV-BCHS-CS
  • GV-BCHS-RG
  • GV-BCHBS-CG
  • GV-BCVBS-SS
  • GV-BCHS-SS
  • GV-BCVBS-CS
  • GV-BCHBS-SS
  • GV-BCVS-CG
Days to Ship
  • 8 Days or Less
CAD
  • 2D
  • 3D

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