A l l i e d r e c o mme n d e d t h e u s e o f a T - A d r i l l i n s e r t i t e m, 4 5 7 H - 0 4 0 0 , A l l i e d r e c o mme n d e d t h e u s e o f a T - A d r i l l i n s e r t i t e m, 4 5 7 H - 0 4 0 0 , wh i c h wa s r u n a t 1 7 0 R P M a n d 0 . 0 0 8 I P R ( 0 , 2 0 3 mm/ r e v ) r e s u l t i n g i n 1 . 3 I P M ( 3 3 , 0 2 mm/ mi n ) t o i n i t i a t e t h e h o l e . T h e n t h e A l l i e d O p e n i n g

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