h stock standard, ) check stock EU, f check stock JP, m stock exhaustion CHECK PINS Intro WATCH Please check the hole size before tapping THE VIDEO SP Let's check the hole size before tapping 6H class internal threads of M6×1 by using Check-pin for cutting taps. ∙ How to use CPC-S (Straight type) SL STEP 1 Check the minor dia. for M6×1 6H internal thread PO STEP ST 2 Size of the Check-pin for M6×1 d1 d2 Select the two Check-Pins closest to the max and Size L ℓ DS (Percentage of thread (Percentage of thread min size of minor dia of 6H internal thread, referring engagement) engagement) to the table on the left. ROLL 4.917 (100%) 5.026 (90%) 4.972 (95%) 5.080 (85%) 1 4.917(100%) and 2 5.134(80%) M6 ×1 73 16.5 6 5.026 (90%) 5.134 (80%) Depending on the feature of work-piece materials, 5.080 (85%) 5.188 (75%) it is beneficial to tapping to make the hole size 5.134 (80%) 5.242 (70%) before tapping as large as possible and within thetolerance. CARBIDE STEP3 Insert the Check-pins 1 and 2, selected in step 2.1 4.917(100%)2 5.134(80%) GOOD The hole is finished within minor dia of 6Hclass internal threads.LONG HAND TAPS 1.5D 2D You can easily check hole depth by Check-pin smoothly goes Check-pin doesn't go 2.5D the three lines marked on the pin. EG (STI) into the bottom of the hole. into the hole. SPECIAL THREADS, GAUGES YMW THREAD MILLS DIES CENTER DRILLS Technical info 559