Die Steel SKD61 + Nitrided
STEPPED EJECTOR PINS WITH GAS VENT FOR DIE CAST –P/L/N DIMENSION DESIGNATION WITH CUTTING FACETS TYPE–
Part Number – L – P – N – E – (KC/WKC … etc.) GW–DESF5 – 450.00 – P4.20 – N260 – E0.03 – KC2.5
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 Die Steel SKD61 Nitrided
Alteration details D P.99
Alterations Code
Spec.
Alterations Code
Spec.
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
Head diameter change HC = 0.1mm increments E D + 1 ≦ HC ＜ H
KC
HC
KC － 0.1 0
R ≦ 0.5
Head thickness change TC = 0.1mm increments E 5.0 ≦ TC ＜ 10 (Dimensions L and N remains unchanged) E 10–TC ≦ Lmax.–L
Step R
Single face cutting Four faces cutting
＋ SV 5 0
WKC
0 － 0.05 TC
WKC － 0.1 0
TC
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
10 (Guaranteed length for E dimension gas vent depth)
－ 0.1 0
－ 0.1 0
4 0
4 － E
KAC
KBC
0 － 0.05
± 0.01
T ＝ 10
Dowel hole boring X Combination with other than NHC/NHN not available
NC
－ 0.01 － 0.02
－ 0.01 － 0.02
0
P
P
（ L － N ）
N
－ 5
10
＋ 0.05
＋ 0.5
0 （ L ＞ 500 c L
） 0
RKC
L
RKC － 0.1 0
4mm JIS (6/8mm) 10mm
4
Dowel hole + Spring pin driving X Combination with other than NHC/NHN not available
NCW
10
DKC
DKC － 0.1 0
DKC
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
Part Number
217
Head thickness
NHC
Single face cutting Four faces cutting GW–DESF GWS–DESF
P –0.01 –0.02
10mm (T10)
SKC
SKD61 + Nitrided
M Material
－ 0.1 0
SKC
H Hardness Surface: 900HV– Base material: 40–45HRC Range of guaranteed retention diameter (D) precision/Range of guaranteed base material hardness/
P 0
–0.005
SV 50 ≦ L–N ＜ 80 80 ≦ L–N ＜ 115
1
2
3
P
AG °
NHN
± 0.5
L–N ≧ 115
Range of guaranteed surface hardness for nitriding/Step R (Details D P.97 ) ( Range of guaranteed shaft diameter precision is only for the shaft diameter and does not include the gas vent. )
P 0
0 °
3.00– 6.99 7.00–19.90
35 35
35 50
35 50
KGC
–0.002
KGC
Head tapping E Available when D ≧ 8 X Combination with any other alteration not available
MC
Tip Diameter Designation Total Length Designation
D 8
M
M4 M5 M6 M8
Three flats cutting at 120° KTC = 0.1mm increments E D/2 ≦ KTC ＜ H/2
120 ° 120 °
MC
Part Number
L 0.01mm increments (L ＞ 500 c 0.1mm increments)
10
P 0.01mm increments
N 1mm increments
E 0.01mm increments
－ 0.1 0 120 °
H
12/15
KTC
M × 1
20
Type
D
KTC
Tip Diameter Total Length Designation Tip Diameter Total Length Designation
4 5 6 7 8
80.00–500.00 80.00–600.0
3.00–3.90 3.00–4.90 4.00–5.90 4.90–6.90 5.90–7.90 7.90–9.90
8 9
Tip Process
10 11 13 15 17 20 25
Single face cutting GW–DESF
Single face cutting 0.02–0.05
Engraving
N ≧ 30 and 50 ≦ (L–N) ≦ 300
E About flat cutting position Flat cutting position is set at 90° of cutting facet in counterclockwise direction.
Gas Vent
Four faces cutting 0.03–0.05
80.00–700.0
10 12 15 20
Four faces cutting GWS–DESF
8.90–11.90 10.90–14.90 15.90–19.90
Ex: KC
Single face cutting Four faces cutting
E Nitriding may extend to the head as it is applied after dimension P machining.
PartNumber – L – P – N – E GW–DESF5 – 450.00 – P4.20 – N260 – E0.03 GWS–DESF10 – 620.5 – P9.00 – N380 – E0.03
Order
Quotation
Delivery
119
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