Head thickness JIS Die Steel SKD61
STRAIGHT CORE PINS –SHAFT DIAMETER (D) SELECTION / SHAFT DIAMETER (P) DESIGNATION / L DIMENSION DESIGNATION TYPE–
L
L
Part Number – L – (KC/WKC … etc.) CPDJ–L5 – 72.35 – HC 7.0
Type
T Tolerance
High Speed Steel SKH51
Alterations
M Material
H Hardness
Shaft diameter (D) selection
Shaft diameter (P) designation
Alteration details D P.323
D or P L
Die Steel SKD61
Alterations Code
Spec.
Alterations Code
Spec.
Head diameter change HC = 0.1mm increments E (D or P) ≦ HC ＜ H
+ 0.02 0
–0.01 –0.02
CPDJ–L CPDJB–L
Single flat cutting (D or P)/2 ≦ KC ＜ H/2
SKD61
48–52HRC
NAK80
KC
HC
E In relation to the diameter tolerance, alteration may create a straight piece with little diameter difference between the head and shaft.
KC － 0.01 0
DH2F
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)
Two flats cutting (D or P)/2 ≦ WKC ＜ H/2
WKC
HCC
R ≦ 0.3
0 － 0.01
About Designation Unit for Key Flat Cutting
WKC
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
KAC KBC
PROVA400 Pre-hardened Steel Hardening Steel
0
TC
(1) To align the key flat
－ 0.01 0
－ 0.01 0
TC
－ 0.02
E T/2 ≦ TC ＜ T
KAC
KBC
with the shaft diameter
E T−TC ≦ Lmax.−L
T
－ 0.02 0
Unit of designation Shaft diameter (D) selection 0.05mm increments possible Shaft diameter (P) designation 0.005mm increments (2) When designating arbitrary Key flat dimensions Unit of designation 0.1mm
T
Stainless Steel SUS440C
＋ 0.02 0
Two flats (right angled) cutting (D or P)/2 ≦ RKC ＜ H/2
Relief under the head (No need for plate chamfering)
L
RKC
TRN
RKC － 0.01 0
MAS1C
■ Shaft diameter (D) selection type
Numbering on the head Range of designation and Designation method: D P.324 X Combination with SKC not available
Three flats cutting (D or P)/2 ≦ DKC ＜ H/2
A15
Part Number
DKC
NHC
L 0.01mm increments
H
T
0 － 0.01
8
4mm
DKC
DKC
Type
D
JIS (6/8mm)
4
Four flats cutting (D or P)/2 ≦ SKC ＜ H/2
SKC
8
－ 0.01 SKC 0
Free Designation
4.5
Two flats (angled) cutting (D or P)/2 ≦ KGC ＜ H/2 0 ＜ AG ＜ 360 AG = 1° increments Three flats cutting at 120° (D or P)/2 ≦ KTC ＜ H/2
0 ° KGC AG °
± 0.5
D (P) –0.01 –0.02 D (P) 0
5
KGC
9
5.5
6
–0.005
120 ° 120 °
120 °
CPDJ–L
D (P) 0
30.00–120.00
6
10
KTC
–0.003
0
KTC
－ 0.01
6.5
Total Length Designation
11
7
Shaft Diameter / Total Length Designation Free Designation
8
13
8
10
15
Tip Process
■ Shaft diameter (P) designation type
Engraving
Part Number
L 0.01mm increments
P 0.01mm increments
H
T
Gas Vent
Type
No.
4
3.50–3.99
8
5
4.00–4.99
6
9
CPDJB–L
30.00–120.00
6
5.00–5.99
10
8
6.00–7.99
13
8
10
8.00–9.99
15
• Shaft diameter (D) Selection type
Part Number – L CPDJ–L5 – 72.35
Quotation
Delivery
Order
• Shaft diameter (P) designation type
Part Number – L – P CPDJB–L6 – 35.72 – P5.87
333
334
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