Prehardened Die Steel SKD61 Head thickness JIS
STEPPED EJECTOR PINS WITH GAS VENT –P/L/N DIMENSION DESIGNATION WITH CUTTING FACETS TYPE–
Part Number – L – P – N – E – (KC/WKC … etc.) GW–EASF5 – 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
Alteration details D P.99
Alterations Code
Spec.
Alterations Code
Spec.
Head diameter change HC = 0.1mm increments E D + 1 ≦ HC ＜ H Head thickness change TC = 0.1mm increments E T/2 ≦ TC ＜ T (Lmax. remains unchanged) E T–TC ≦ Lmax.–L Dowel hole boring X Combination with other than NHC/NHN not available
Single flat cutting D/2 ≦ KC ＜ H/2
KC
HC
KC － 0.1 0
R ≦ 0.5
Step R
Single face cutting
Four faces cutting
＋ SV 5 0
Two flats cutting D/2 ≦ WKC ＜ H/2
About Designation Unit for Key Flat Cutting
WKC
WKC － 0.1 0
0 － 0.05 TC
TC
T
Varied width parallel flats cutting D/2 ≦ KAC ＜ H/2 KBC = 0.1mm increments only KAC < KBC < H/2
KAC KBC
10 (Guaranteed length for E dimension gas vent depth)
＋ 0.1
－ 0.1 0
－ 0.1 0
4 － E
± 0.01
KAC
KBC
d 0
T
T ℓ 4 2 3 6 3 5 8 d
(1) To align the key flat with the retention diameter Unit of designation 0.05mm increments possible
NC
0 － 5
P
P
（ L － N ）
N
T
＋ 0.02 0
0 ＋ 0.05
0 ＋ 0.5
, L ＞ 500 c L
）
（ 200 ＜ L ≦ 500 c L
Two flats (right angled) cutting D/2 ≦ RKC ＜ H/2
L
RKC
4mm JIS (6/8mm) 10mm
RKC － 0.1 0
T
d ℓ 1
d
Dowel hole + Spring pin driving X Combination with other than NHC/NHN not available
Part Number
4 2
T T Tolerance
Head thickness
NCW
Single face cutting Four faces cutting GW–EASF GWS–EASF GW–EAJSF GWS–EAJSF
6 8
5
3
0 −0.05
0 −0.02 (L ＞ 300 c T
DKC Three flats cutting D/2 ≦ DKC ＜ H/2
T
4mm (T4)
)
DKC － 0.1 0
0 – 0.05
DKC
6/8mm (JIS)
( Range of guaranteed shaft diameter precision is only for the shaft diameter and does not include the gas vent. ) M Material SKD61 (Pre–hardened) H Hardness 40–45HRC Range of guaranteed retention diameter (D) precision/Range of guaranteed base material hardness/Step R (Details D P.97 )
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
217
T P dimension tolerance L
NHC
P –0.01 –0.02
SV 50 ≦ L–N ＜ 80 80 ≦ L–N ＜ 115
D 3.5–8 10–20
(2) To designate
SKC Four flats cutting D/2 ≦ SKC < H/2
P
L–N ≧ 115
arbitrary key flat dimensions Unit of designation 0.1mm
－ 0.1 0
SKC
–0.01 –0.02 –0.01 –0.03
–0.01 –0.03 –0.01 –0.04
L ≦ 500
3.00– 6.99 7.00–19.90
35 35
35 50
35 50
P 0
–0.005
L ＞ 500
AG °
Two flats (angled) cutting D/2 ≦ KGC ＜ H/2 AG = 1° increments 0 ＜ AG ＜ 360
± 0.5
1 2 3
NHN
P 0
0 °
–0.002
KGC
KGC
Head thickness 4mm
Head thickness JIS
Part Number
0.01mm increments
E 0.01mm increments
Head tapping E Available when D ≧ 8, H ≧ 13, T = 8 for GW–EAJSF/GWS–EAJSF X Combination with any other alteration not available
Tip Diameter Designation Total Length Designation
N 1mm increments
D 8
M
MC
120 ° 120 °
Type
M4
L (L ＞ 500 c 0.1mm increments)
Three flats cutting at 120° D/2 ≦ KTC ＜ H/2
－ 0.1 0 120 °
H T H T
D
P
10 M5 12/15 M6 16/20 M8
MC
KTC
Head thickness 4mm Head thickness JIS
M × 1
KTC
Tip Diameter Total Length Designation
3.5
3.00–3.40
–
– –
65.00–400.00 (600.0)
7
4
3.00–3.90
Tip Process
8
E About flat cutting position Flat cutting position is set at 90° of cutting facet in counterclockwise direction.
4.5
3.00–4.40
65.00–500.00 (600.0)
8
Engraving
5
3.00–4.90
9
Gas Vent
Single face cutting GW–EASF
5.5
65.00–500.00
3.50–5.40
6
Ex: KC
9
Single face cutting Four faces cutting
• N ≧ 15 (T4) and 50 ≦ (L–N) ≦ 200
6
4.00–5.90
10
Single face cutting 0.02–0.05
Single face cutting GW–EAJSF
Four faces cutting GWS–EASF
6.5
4.50–6.40
10
11
4
L − 3
7
4.90–6.90
• N ≧
(JIS)
Four faces cutting 0.03–0.05
and (L–N) ≧ 50
Four faces cutting GWS–EAJSF
8
5.90–7.90
11
13
10
7.90–9.90
65.00–500.00 (700.0)
15
15
12
8.90–11.90
17
17
8
15
10.90–14.90
20
16
11.90–15.90
–
–
21
25 15.90–19.90 E The figures in ( ) for L dimension are applicable for GW–EAJSF/GWS–EAJSF only. E Nitriding may extend to the head as it is applied after dimension P machining. E To order D3.5 of Head thickness JIS, select GW-EASF3.5 or GWS-EASF3.5. 20
PartNumber – L – P – N – E GW–EASF5 – 450.00 – P4.20 – N260 – E0.03 GWS–EAJSF10 – 620.5 – P9.00 – N480 – E0.03
Order
Quotation
Delivery
123
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