NAK80 SUS440C
DH2F
STRAIGHT CORE PINS –SHAFT DIAMETER (D) SELECTION / SHAFT DIAMETER (P) DESIGNATION / L DIMENSION DESIGNATION / SHAFT DIAMETER TOLERANCE –0.01 –0.02 / 0 –0.005 TYPE–
MAS1C
L
L
E Products and sizes in green letters will be discontinued when the materials are out of stock.
Part Number – L – P – (KC/WKC … etc.) CPG –L1.6 – 72.35 – HC 3.0 CPKB–L3 – 35.72 – P2.77 – TC 2.0
Type
T Tolerance
High Speed Steel SKH51
M Material
H Hardness
Alterations
Shaft diameter (D) selection
Shaft diameter (P) designation
D or P L
Alteration details D P.323
Die Steel SKD61
CPN–L CPNB–L
Alterations Code
Spec.
Alterations Code
Spec.
NAK80
37–43HRC
Head diameter change HC = 0.1mm increments E (D or P) ≦ HC ＜ H CPY － L/CPYB － L:(D or P) + 0.5 ≦ HC ＜ H E In relation to the diameter tolerance, alteration may create a straight piece with little diameter difference between the head and shaft.
–0.01 –0.02
CPF–L CPFB–L
DH2F
38–42HRC
Single flat cutting (D or P)/2 ≦ KC ＜ H/2
KC
NAK80
AK80
KC － 0.01 0
HC
CPA–L CPAB–L
MAS1C
50–54HRC
About Designation Unit for Key Flat Cutting
R ≦ 0.3
+ 0.02 0
DH2F
CPK–L CPKB–L
NAK80
37–43HRC
Two flats cutting (D or P)/2 ≦ WKC ＜ H/2
WKC
0 － 0.01
WKC
Head diameter change (precision) HCC = 0.1mm increments E (D or P) + 0.5 ≦ HCC ＜ H － 0.3 Head thickness change TC = 0.1mm increments (Dimension L remains unchanged) E 4 － TC ≦ Lmax. － L
CPG–L CPGB–L
DH2F
38–42HRC
HCC
0 –0.005
Pre-hardened Steel Hardening Steel
Varied width parallel flats cutting (D or P)/2 ≦ KAC ＜ H/2 KBC = 0.1mm increments only KAC ＜ KBC ＜ H/2
CPY–L CPYB–L
MAS1C
50–54HRC
KAC KBC
－ 0.02 0
T ＝ 4
PROVA400 Pre-hardened Steel Hardening Steel
－ 0.01 0
－ 0.01 0
(1) To align the key flat
KAC
KBC
L ＋ 0.02 0 ■ Shaft diameter (D) selection type
CPW–L CPWB–L
SUS440C 56–60HRC
D or P TC 0.6 ≦ D or P ＜ 0.8 2.0 ≦ TC ＜ 4.0 0.8 ≦ D or P ≦ 16 1.5 ≦ TC ＜ 4.0
with the shaft diameter
0
TC
TC
－ 0.02
Unit of designation Shaft diameter (D) selection 0.05mm increments possible Shaft diameter (P) designation 0.005mm increments
■ Shaft diameter (P) designation type
Stainless Steel SUS440C
4
Two flats (right angled) cutting (D or P)/2 ≦ RKC ＜ H/2
RKC
RKC － 0.01 0
Part Number
Part Number
Relief under the head (No need for plate chamfering)
TRN
L 0.01mm increments
P 0.01mm increments
MAS1C
L 0.01mm increments
H
H
Three flats cutting (D or P)/2 ≦ DKC ＜ H/2
DKC
Type
D
Type
No.
Numbering on the head Range of designation and Designation method D P.324 E Available when H ≧ 2 X Combination with SKC not available. Gas vent machining GS/GB = 1mm increments E 2 ≦ GS ≦ 10 GS + 2 ≦ GB ≦ 30 E Available when D or P ≧ 2 L － GB ≧ 10 Designation method D P.324
0 － 0.01
DKC
DKC
A15
4mm
NHC
8
JIS (6/8mm)
CPWB–L
0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2 2.5
0.60– 0.79 0.80– 0.99 1.00– 1.49 1.50– 1.99 2.00– 2.49 2.50– 2.99 3.00– 3.49 3.50– 3.99 4.00– 4.49 4.50– 4.99 5.00– 5.49 5.50– 5.99 6.00– 6.49 6.50– 6.99 7.00– 7.99 8.00– 9.99 10.00–12.99 13.00–15.99
Four flats cutting (D or P)/2 ≦ SKC ＜ H/2
SKC
CPW–L
1
－ 0.01 SKC 0
3
Free Designation
1.5
(2) To designate arbitrary key flat dimensions Unit of designation 0.1mm
Two flats (angled) cutting (D or P)/2 ≦ KGC ＜ H/2 0 ＜ AG ＜ 360 AG = 1° increments
7.00–100.00
GVC
0 ° KGC AG °
± 0.5
2
GS
4
GB
L
D (P) –0.01 –0.02 D (P) 0
KGC
2.5
5
CPNB–L CPFB–L CPAB–L (P ≦ 2.49) CPKB–L CPGB–L CPYB–L (P ≦ 2.49) CPWB–L
3
3
6
E Similar products with GVC alteration "Gas release core pins" D P.349
–0.005
3.5
7
120 ° 120 °
4
Three flats cutting at 120° (D or P)/2 ≦ KTC ＜ H/2
D (P) 0
120 °
–0.003
KTC
4.5
7.00–100.00
0
7.00–120.00
8
KTC
－ 0.01
5
Shaft Diameter / Total Length Designation Free Designation Total Length Designation Total Length Designation
5.5
CPN–L CPF–L CPA–L (D ≦ 2.5) CPK–L CPG–L CPY–L (D ≦ 2.5) CPW–L
9
6
6.5
4
10
7 8
11
8.00–120.00
Tip Process
10 13 16
5
15
3
6
18
Engraving
3.5
21
7
4
Gas Vent
4.5 5 5.5 6 6.5
7.00–120.00
8
9
10
7 8
11
8.00–120.00
10 13 16
15
18
21
• Shaft diameter (D) Selection type
Part Number – L CPW–L1.6 – 72.35
Order
• Shaft diameter (P) Designated type
Part Number – L – P CPKB–L3 – 35.72 – P2.77
Quotation
Delivery
327
328
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