Die Steel SKD61 + Nitrided
P/L/N dimension designation type
STEPPED EJECTOR PINS FOR DIE CAST –P/L/N DIMENSION DESIGNATION TYPE–
N
L
Part Number – L – P – N – (KC/WKC … etc.) DESF10 – 720.5 – P9.00 – N300 – SKC7.0
High Speed Steel SKH51
Alterations
Alteration details D P.99
Die Steel SKD61 + Nitrided Die Steel SKD61 Prehardened Die Steel SKD61 Stainless Steel SUS440C High Speed Steel SKH51 + Hard chromate
Alterations Code
Spec.
Alterations Code
Spec.
Head diameter change HC = 0.1mm increments E D + 1 ≦ HC ＜ H
Single flat cutting KC = 0.1mm increments E D/2 ≦ KC ＜ H/2 Two flats cutting WKC = 0.1mm increments E D/2 ≦ WKC ＜ H/2
HC
KC
0 － 0.1
KC
Head thickness change TC = 0.1mm increments E 5.0 ≦ TC ＜ 10 (Dimensions L and N remains unchanged) E 10–TC ≦ Lmax.–L
WKC
0 － 0.05 TC
TC
WKC － 0.1 0
R ≦ 0.5
Step R
10
Varied width parallel flats cutting KAC, KBC = 0.1mm increments only E D/2 ≦ KAC ＜ KBC ＜ H/2 Two flats (right angled) cutting RKC = 0.1mm increments E D/2 ≦ RKC ＜ H/2 Three flats cutting DKC = 0.1mm increments E D/2 ≦ DKC ＜ H/2 Four flats cutting SKC = 0.1mm increments E D/2 ≦ SKC ＜ H/2 Two flats (angled) cutting KGC = 0.1mm increments AG = 1° increments E D/2 ≦ KGC ＜ H/2, 0 ＜ AG ＜ 360
KAC KBC
＋ 0.1
－ 0.1 0
－ 0.1 0
4 0
KAC
KBC
Dowel hole boring X Combination with other than NHC/NHN not available
NC
T ＝ 10
10
0 －
RKC
0.05
RKC － 0.1 0
－ 0.01 － 0.02
0 ＋ 5
（
L － N ）
0 － 5
P
N
4
＋ 0.5 0
Dowel hole + Spring pin driving X Combination with other than NHC/NHN not available
＋ 0.05 0
（ L ＞ 500
）
NCW
L
L
4mm JIS (6/8mm) 10mm
DKC
10
M Material SKD61 + Nitrided h Hardness Surface:
0 DKC － 0.1
DKC
900HV– Base material: 40–45HRC
Head thickness
Numbering at the back part of the head Range of designation and Designation method: D P.100 X Combination with SKC/MC not available Automatic sequential numbering on the head Range of designation and Designation method: D P.100 X Combination with SKC/MC not available
217
Part Number
NHC
Range of guaranteed retention diameter (D) precision/ base material hardness/surface hardness for nitriding/ Step R (Details D P.97 )
SKC
0 － 0.1
10mm (T10)
SKC
DESF
P –0.01 –0.02 –0.01 –0.02
KGC 0 ° AG ° ± 0.5
1
2
3
NHN
KGC
P 0
Part Number
L
–0.005
P 0.01mm increments
N 1mm increments
H
Type
D 0.01mm increments 0.1mm increments
P 0
Head tapping E Available when D ≧ 8 X Combination with any other alteration not available
MC
D M 8 M4 10 M5 12/15 M6 20 M8
–0.002
120 ° 120 °
Three flats cutting at 120° KTC = 0.1mm increments E D/2 ≦ KTC ＜ H/2
0 － 0.1 120 °
4
1.50– 3.90
8
MC
KTC
500.1–600.0
Tip Diameter Designation Total Length Designation
M × 1
5
3.00– 4.90
9
KTC
6
500.1–700.0
4.00– 5.90
10
7
4.90– 6.90
11
Tip Diameter Total Length Designation Tip Diameter Total Length Designation
N ≧ 30 and 15 ≦ (L–N) ≦ 300
DESF
8
50.00–500.00
5.90– 7.90
13
10
7.90– 9.90
15
Tip Process
500.1–800.0
12
8.90–11.90
17
Engraving
15
10.90–14.90
20
Gas Vent
20
15.90–19.90
25
E Nitriding may extend to the head as it is applied after dimension P machining.
Part Number – L – P – N DESF5 – 268.30 – P3.01 – N45
Order
Delivery Quotation
109
110
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