St em Pl u gs a re loa d ed o n t o p o f t h e exp losive an d b elo w t h e st em mi n g ma t eria l. At d et o n a t ion t h e w h o le c o lu mn b egin s t o mo ve u p an d t h e p lu g w e d ges t h e st em min g mat eria l again s t t h e b o r eh o le w all an d “l o c k s u p ”. T h e r ap id ly exp an d in g gasses a re c o n t ai n ed in t h e b o r e h o l e lea d in g t o a b e t t er b las t – less w ast e d e n ergy c o n t rib u t i n g t o f ly ro c k , are b las t , e t c . M mm Pa r t # Desc r i p t i o n Qu a n ti ty Pe r B o x Ho l e S i z e EL M – 7 4 5 01 STEM P L U G 3 ” 3 0 0 3 ” – 3. 3 7 5 ” EL M – 7 4 5 02 STEM P L U G 3 ? ” 2 0 0 3 .5 ” – 3 .8 7 5 ” EL M – 7 4 5 03 STEM P L U G 4 ” 2 0 0 4 ” – 4 .3 7 5 ” EL M – 7 4 5 04 STEM P L U G 4 ?” 1 2 5 4 .5 ” – 4 .8 7 5 ” EL M – 7 4 5 05 STEM P L U G 5 ” 1 0 0 5 ” – 5 .3 7 5 ” EL M – 7 4 5 06 STEM P L U G 5 ? ” 75 5 .5 ” – 5 .8 7 5 ” EL M – 7 4 5 07 STEM P L U G 6 ” 60 6 ” – 6 .3 7 5 ” EL M – 7 4 5 08 STEM P L U G 6 ?” 50 6 .5 ” - 7 .3 7 5 ” EL M – 7 4 5 10 STEM P L U G 7 7 / 8 ” 24 7 .5 ” - 8 .3 7 5 ” EL M – 7 4 5 13 STEM P L U G 9 ” 30 8 .5 ” - 9 .7 5 ” EL M – 7 4 5 16 STEM P L U G 1 0 .6 2 5 ” 12 9 .87 5 ” - 1 0 . 8 7 5 EL M – 7 4 5 20 STEM P L U G 1 2 ? ” 12 1 1 .1 2 5 ” – 1 0 . 8 7 5 ” EL M – 7 4 5 25 STEM P L U G L OADIN G P O L E, 3 ’ SEC TION 1 ** EL M - 7 4 5 26 STEM P L U G L OADIN G P O L E ADAP T OR 1 ** M mm Pa r t # Desc r i p t i o n Qu a n ti ty Pe r B o x Ho l e S i z e EL M - 7 4 6 0 1 M AX - B L AS T P L UG , 1 ” 3 0 0 1” EL M - 74 6 0 2 M AX - B L AS T P L UG , 1 ? ” 3 0 0 1 .25 ” EL M - 74 6 0 3 M AX - B L AS T P L UG , 1 ? ” 4 2 0 1 .5 ” EL M - 74 6 0 4 M AX - B L AS T P L UG , 1 ?” 4 2 0 1 .75 ” EL M - 74 6 0 5 M AX - B L AS T P L UG , 2 ” 3 6 0 2” EL M - 74 6 0 6 M AX - B L AS T P L UG , 2 ? ” 2 0 0 2 .25 ” EL M - 74 6 0 7 M AX - B L AS T P L UG , 2 ? ” 1 5 0 2 .5 ” EL M - 74 6 0 9 M AX - B L AS T P L UG , 3 ” 75 3” EL M - 74 6 1 0 M AX - B L AS T P L UG , 3 ? ” 96 3 .5 ” EL M - 74 6 1 2 M AX - B L AS T P L UG , 4 ” 40 4” EL M - 74 6 1 3 M AX - B L AS T P L UG , 4 ? ” 25 4 .5 ” EL M - 74 6 1 5 M AX - B L AS T P L UG , 5 ” 25 5” EL M - 74 6 1 6 M AX - B L AS T P L UG , 5 ? ” 20 5 .5 ” EL M - 74 6 2 0 M AX - B L AS T P L UG , 6 ” 20 6” Max - Bl as tTM St em m in g P lu gs ar e th e m o s t eff ec tiv e v in y l p lu g o n th e mar ke t. T h e pa ten ted “p o s it iv e s eal” ac c o r d io n d e s ig n for m s a b ar r ier th at p r even ts th e ex p lo s iv e gas s e s fr o m p as s in g u p th r o u gh th e s tem m in g m ater ial. W h en th e s te m m in g m ater ial i s u n d is tu r b ed b y ra p id ly ex p an d i n g gas it w ill b r id ge a n d lo c k u p in th e b o r ehole . L OADING 17 | Pa g e