2-Edge Tip-Bars for Micro Internal Threading [Solid Type] ■ HPT (Micro Internal Threading) T IA H ID F 0° d d S S L2 L1 rH L3 d d Detail of edge ● Right-hand shown ● Dimensions Min. Insert Grades Applicable Thread Bore Dia. Dimension (mm) PVD Coated Carbide Metric Unified Description Carbide φA φD H L1 L2 L3 F S d rε θ PR930 KW10 Nominal Pitch Nominal Pitch Thread (mm) Thread (TPI) HPTR 04504-60-005 4.5 4 3.7 60 16 3.9 1.3 0.6 N N M6 P0.75 1/4-20UNC 28 ~ 20 8 and over ~ P1.25 1/4-28UNF and over 06005-60-005 6 5 4.6 70 21 4.9 1.6 0.8 +0 60° N N M8 P0.75 5/16-18UNC 24 ~ 18 0.05-0.02 and over ~ P1.50 5/16-24UNF and over 07507-60-005 7.5 7 6.4 80 26 10 6.9 2.0 1.0 N N M10 P0.75 3/8-16UNC 24 ~ 16 and over ~ P1.50 3/8-24UNF and over Whitworth Parallel Pipe Tapered Pipe HPTR 06005-55-010 6 5 4.6 70 21 8 4.9 1.6 0.8 N N W10 TPI24 24 ~ 20 G1/16 and over 28 +0 55° and over R1/16 and over 08007-55-010 8 7 6.4 80 26 10 6.9 2.0 1.0 0.1-0.02 N N W11 TPI20 20 ~ 18 G1/8 and over 28,19 J and over R1/8 and over · For American National Pipe (NPT), use HPTR..-60-005. J29 ● Description Table for Tip-Bars and Applicable Sleeves ◆ Recommended Cutting Conditions Recommended Insert Grades Tip-Bars Description Ref. to Page for (Cutting Speed Vc: m/min) 1) The standard cutting speed is Applicable Sleeves J25 Workpiece Material PVD Coated Carbide Carbide Vc=30~50m/min. Threading The table feed may not follow HPTR 04504-60-005 EZH 04∙∙-∙∙ PR930 KW10 the expected conditions when ★ - machining small diameter 06005-60-005 05∙∙-∙∙ Carbon Steel / Alloy Steel 30 ~ 100 workpieces at high speeds. 07507-60-005 07∙∙-∙∙ ★ 2) Coolant is recommended. Stainless Steel 30 ~ 80 - HPTR 06005-55-010 EZH 05∙∙-∙∙ ★ 08007-55-010 07∙∙-∙∙ Non-ferrous Metals - ~ 300 ◆ Depth of Cut & Number of Passes (Metric : M) ★: 1st Recommendation 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 ◆ Depth of Cut & Number of Passes (Whitworth : W) TPI Total ap No. of 1Pass 2Pass 3Pass 4Pass 5Pass 6Pass 7Pass 8Pass 9Pass 10Pass 11Pass 12Pass 13Pass 14Pass 15Pass 16Pass 17Pass (mm) Passes 24 0.65 13 0.07 0.07 0.06 0.06 0.06 0.05 0.05 0.05 0.04 0.04 0.04 0.03 0.03 20 0.81 15 0.07 0.07 0.07 0.07 0.06 0.06 0.06 0.06 0.05 0.05 0.05 0.04 0.04 0.03 0.03 18 0.91 17 0.07 0.07 0.07 0.07 0.07 0.06 0.06 0.06 0.06 0.05 0.05 0.05 0.04 0.04 0.03 0.03 0.03 ◆ Depth of Cut & Number of Passes (Unified : UN, UNC, UNF, UNEF) TPI Total ap No. of 1Pass 2Pass 3Pass 4Pass 5Pass 6Pass 7Pass 8Pass 9Pass 10Pass 11Pass 12Pass13Pass14Pass15Pass16Pass17Pass18Pass (mm) Passes 28 0.54 12 0.07 0.06 0.05 0.05 0.05 0.05 0.04 0.04 0.04 0.03 0.03 0.03 24 0.64 12 0.07 0.06 0.06 0.06 0.06 0.06 0.05 0.05 0.05 0.05 0.04 0.03 20 0.77 14 0.07 0.07 0.07 0.06 0.06 0.06 0.06 0.06 0.05 0.05 0.05 0.04 0.04 0.03 18 0.87 17 0.07 0.07 0.07 0.06 0.06 0.06 0.06 0.06 0.05 0.05 0.05 0.04 0.04 0.04 0.03 0.03 0.03 16 0.98 18 0.07 0.07 0.07 0.07 0.06 0.06 0.06 0.06 0.06 0.05 0.05 0.05 0.05 0.05 0.04 0.04 0.04 0.03 Tip-Bars are ●: Std. Item J28 sold in 1 piece boxes.