Tip-Bars for Micro Threading [Solid Type] ■ VNT (System Tip-Bars) L2 1 rH IA F S d d d d S 60° L1 H ● Right-hand shown ● Dimensions Min. Insert Grades Applicable Thread Bore Dimension(mm) MEGA PVD Coated Carbide Metric Unified Dia. COAT Carbide Description PR1225 φA H L1 L2 F S d rε PR930 KW10 Nominal Pitch Nominal Thread Pitch Thread (mm) (TPI) VNTR 045-11 4.5 3.6 1.3 0.6 ● ● ● M6 P0.75 1/4-20UNC, 28~20 3.9 30.8 11 +0 and over ~P1.25 1/4-28UNF and over -0.02 060-11 6.0 4.6 1.6 0.8 0.05 M8 P0.75 5/16-18UNC, 24~18 ● ● ● and over ~P1.50 5/16-24UNF and over ● For applicable Toolholder, Ref. to Page F30 ~ F31. J ■ PST-S (Tip-Bars) This insert will be switched to EZT J24 IA H ID Threading F S 0° d d L2 L1 L3 rH S d d ● Right-hand shown 60° ● Dimensions Min. Insert Grades Applicable Thread Bore Dimension (mm) Cermet PVD Coated Carbide Metric Unified Dia. Carbide Description φA φD H L1 L2 L3 F S d rε TC60M PR930 KW10 Nominal Pitch Nominal Thread Pitch Thread (mm) (TPI) PSTR 0604-60S 4.5 3.8 3.6 60 15 1.7 1.6 0.8 ○ M6 P0.75 1/4-20UNC, 28~20 8 +0.01 and over ~P1.25 1/4-28UNF and over -0.02 0805-70S 6.0 4.8 4.4 70 20 2.2 2.1 1.0 0.05 ○ M8 P0.75 5/16-18UNC, 24~18 and over ~P1.50 5/16-24UNF and over ● For Applicable Sleeves, Ref. to Page F84. ◆ Depth of Cut & Number of Passes (Metric : M) Pitch Total ap No. of 1Pass 2Pass 3Pass 4Pass 5Pass 6Pass 7Pass 8Pass 9Pass 10Pass 11Pass 12Pass 13Pass 14Pass 15Pass 16Pass 17Pass ( mm ) ( mm ) Passes 0.75 0.44 10 0.06 0.06 0.05 0.05 0.05 0.04 0.04 0.03 0.03 0.03 1.00 0.60 12 0.07 0.07 0.06 0.06 0.06 0.05 0.05 0.04 0.04 0.04 0.03 0.03 1.25 0.76 14 0.07 0.07 0.07 0.07 0.06 0.06 0.06 0.05 0.05 0.05 0.04 0.04 0.04 0.03 1.50 0.92 17 0.07 0.07 0.07 0.07 0.07 0.06 0.06 0.06 0.05 0.05 0.05 0.05 0.04 0.04 0.04 0.04 0.03 1) The standard cutting speed is Vc=30~50m/min. The table feed may not follow the expected conditions when machining small diameter workpieces at high speeds. 2) Coolant is recommended. Tip-Bars are System Tip-Bars are ● : Std. Item ○ : Check Availability J30 sold in 1 piece boxes. sold in 5 piece boxes.