
EZ Bars
EZB-NB (Boring)
5° φA F 5°
5°
12° 7°
S φD
rε
L2
L1
L3
30°
Fig.1 H
• Right-hand shown
φA F 5°
5°
7°
0° S φD
rε
L2
L1
Fig.2 EZBR030 type L3
30°
H F
• Right-hand shown Fig.3 EZBR040~EZBR070 type
EZ Bars Dimensions
Min. Grades
Bore Dia. Dimension (mm) Drawing MEGACOAT MEGA PCD Applicable Boring
CBN
Description PR1225 KBN05M KPD001 Sleeves
φA φD H L1 L2 L3 F S rε F22~F27
EZBR 020017-005NB 2 1.7 1.5 27.3 7 4.7 0.79 0.2 ● EZH017…
025020-005NB 2.5 2 1.82 32 8 4.8 0.94 0.16 ● EZH020…
030025-005NB 3 2.5 2.3 35 10.5 4.8 1.19 0.16 ● EZH025…
035030-005NB 3.5 3 2.8 39 13 6.8 1.44 0.19 ● EZH030…
040035-005NB 4 3.5 3.3 42 15 6.7 1.69 0.25 ±0.015 Fig.1 ● EZH035…
0.05
045040-005NB 4.5 4 3.8 49 20 9.7 1.94 0.28 ● EZH040…
055050-005NB 5.5 5 4.8 58.2 25 9.7 2.44 0.33 ● EZH050…
065060-005NB 6.5 6 5.8 66.2 30 11.7 2.94 0.39 ● EZH060…
075070-005NB 7.5 7 6.8 74.2 35 11.7 3.44 0.45 ● EZH070…
EZBR 030030-003NB 3 3 2.6 38.8 13 6.8 1.25 0.3 Fig.2 ● EZH030…
040040-003NB 4 4 3.6 48.8 20 9.8 1.75 ● EZH040…
050050-003NB 5 5 4.6 58.1 25 9.8 2.25 ±0.015 ● EZH050…
0.5 0.035 Fig.3
060060-003NB 6 6 5.6 66.1 30 11.8 2.75 ● EZH060…
070070-003NB 7 7 6.6 74.1 35 11.8 3.25 ● EZH070…
EZBR 040040-003NB 4 4 3.6 48.8 20 9.8 1.75 ● EZH040…
050050-003NB 5 5 4.6 58.1 25 9.8 2.25 0.5 ±0.015 Fig.3 ● EZH050…
060060-003NB 6 6 5.6 66.1 30 11.8 2.75 0.035 ● EZH060…
070070-003NB 7 7 6.6 74.1 35 11.8 3.25 ● EZH070…
Recommended Cutting Conditions F18
Edge Preparation
Grades Edge Preparation Remarks
PR1225 Sharp Edge -
KBN05M T00815 0.08mmx15° Chamfered Cutting Edge
KPD001 Sharp Edge -
N : Std. Item EZ Bars are
sold in 1 piece boxes F17