Die Steel SKD61 Head thickness 4 mm
STEPPED EJECTOR PINS WITH GAS VENT –P/L/N DIMENSION DESIGNATION TYPE–
Part Number – L – P – N – SV – NV – (KC/WKC … etc.) GV–EDSFS5 – 200.01 – P4.0 – N100 – SV15 – NV2.0 – PCC4.97
High Speed Steel SKH51
Alterations
Die Steel SKD61 + Nitrided Die Steel SKD61 Prehardened Die Steel SKD61 Stainless Steel SUS440C High Speed Steel SKH51 + Hard chromate
Alteration details D P.99
Alterations Code
Spec.
Alterations Code
Spec.
Head diameter change HC = 0.1mm increments E D + 1 ≦ HC ＜ H
Single flat cutting D/2 ≦ KC ＜ H/2
HC
KC
KC － 0.1 0
P d 4.00– 7.99 P–0.6 8.00–11.99 P–1.2 12.00–12.90 P–1.8
Head diameter change (precision) HCC = 0.1mm increments E D + 1 ≦ HCC ＜ H–0.3
Two flats cutting D/2 ≦ WKC ＜ H/2
HCC
WKC
About Designation Unit for Key Flat Cutting
0 － 0.1
WKC
Varied width parallel flats cutting D/2 ≦ KAC ＜ H/2 KBC = 0.1mm increments only KAC < KBC < H/2
Head thickness change TC = 0.1mm increments E 2.0 ≦ TC ＜ 4 (Dimensions L and N remain unchanged) E 4–TC ≦ Lmax.–L
KAC KBC
＋ 5 0
Step R
SV
KBC － 0.1 0
R ≦ 0.5
KAC
TC
Step R
TC
A section
2
NV
(1) To align the key flat with the retention diameter Unit of designation 0.05mm increments possible
4
Enlarge view of section A
Two flats (right angled) cutting D/2 ≦ RKC ＜ H/2
RKC
4mm JIS (6/8mm) 10mm
＋ 0.1
RKC － 0.1 0
R ≦ 0.5 (Reference value)
2 0
Dowel hole boring E Available when H ≧ 4 X Combination with other than NHC/NHN not available Dowel hole + Spring pin driving E Available when H ≧ 4 X Combination with other than NHC/NHN not available Numbering at the back part of the head Range of designation and Designation method: D P.100 X Combination with SKC not available Automatic sequential numbering on the head Range of designation and Designation method: D P.100 X Combination with SKC not available
NC
B section
0 － 0.02 （ L ＞ 300 c T
0 － 0.05 ）
T ＝ 4
P
4
Three flats cutting D/2 ≦ DKC ＜ H/2
0 － 5
DKC
（ L － N ）
N
C ＝ 0.1 ± 0.05
0 － 0.1
DKC
DKC
（ L ＞ 200 c L L ＋ 0.02 0
＋ 0.05
2
Enlarge view of section B
0 ）
NCW
P –0.01 –0.02
Four flats cutting D/2 ≦ SKC < H/2
4
(2) To designate arbitrary key flat dimensions Unit of designation 0.1mm
SKC
SKC － 0.1 0
P 0
Part Number Head thickness T P Tolerance GV–EDSFS 4mm (T4) 0 –0.005 GV–EDSF
–0.005
217
M Material SKD61 H Hardness 50–55HRC Range of guaranteed retention diameter (D) precision/Range of guaranteed base material hardness/Step R (Details D P.97 )
NHC
Two flats (angled) cutting D/2 ≦ KGC ＜ H/2 AG = 1° increments 0 ＜ AG ＜ 360
± 0.5 AG ° 0 ° KGC 120 ° 120 °
P 0
( Range of guaranteed shaft diameter precision is only for the shaft diameter and does not include the gas vent. )
–0.002
KGC
–0.01 –0.02
Tip Diameter Designation Total Length Designation
1 2 3
NHN
Three flats cutting at 120° D/2 ≦ KTC ＜ H/2
N 0.5mm increments
NV 0.1mm increments
－ 0.1 120 ° 0
Part Number
0.01mm increments
SV 1mm increments
KTC
H T
Type
D
L
P
Tip shaft diameter tolerance alteration E When P –0.01
KTC
Tip Diameter Total Length Designation
–0.02 , and when P–0.08 ≦ PCC ＜ P–0.02 P , P–0.08 ≦ PCC ＜ P 0 – 0.005
4.5 90.00–300.00
4.00–4.40 4.00–4.90 4.00–5.40 4.00–5.90 4.50–6.40 4.90–6.90 5.90–7.90 6.90–8.90 7.90–9.90 8.90–11.90 9.90–12.90
PCC
8
5
PCC = 0.01mm increments
Tip Process
5.5
9
Engraving
6
6.5
N ≧ 15 and 90 ≦ (L–N) ≦ 200
Gas Vent
10
GV–EDSFS GV–EDSF
2–50 (L–N)–(SV + NV + 2) ≧ 15
4
0.5–8.0
7 8 9
90.00–500.00
11 14 15 17 18
10 12 13
PartNumber – L – P – N – SV – NV GV–EDSFS5 – 200.01 – P4.0 – N100 – SV15 – NV2.0
Order
Quotation
Delivery
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