Making a pilot hole

the_iodine · 02-14-2003, 07:46 PM

a little ot but oh well. drilling holes in my BPI to put my lights on. Should i use a 1/4 or 1/8 as a pilot hole?

the_iodine · 02-14-2003, 08:17 PM

would it even matter? i just wanna get my lights back on

gunnyjeep · 02-14-2003, 09:16 PM

pilot with a 1/8" (#30) or a 5/32" (#21) drill bit - since you are going to a 1/4" I would use the #21 drill bit. also use a Cobalt bit at slow speed (around 200 rpm) to get the best use of your bit.

02-14-2003, 07:46 PM	#1
the_iodine Registered Join Date: Sep 2002 Location: WA Posts: 1,643 Thanks: 0 Thanked 0 Times in 0 Posts	Making a pilot hole a little ot but oh well. drilling holes in my BPI to put my lights on. Should i use a 1/4 or 1/8 as a pilot hole?

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02-14-2003, 08:17 PM	#2
the_iodine Registered Join Date: Sep 2002 Location: WA Posts: 1,643 Thanks: 0 Thanked 0 Times in 0 Posts	would it even matter? i just wanna get my lights back on

02-14-2003, 09:16 PM	#3
gunnyjeep Registered Join Date: Jun 2002 Location: Warner Robins, Georgia Posts: 704 Thanks: 0 Thanked 0 Times in 0 Posts	pilot with a 1/8" (#30) or a 5/32" (#21) drill bit - since you are going to a 1/4" I would use the #21 drill bit. also use a Cobalt bit at slow speed (around 200 rpm) to get the best use of your bit. __________________ 87 XJ - 6" lift, 32 bfg's, way too many mods to list. 65 Thunderbird - 300 HP 390 CI - C6, duel exhaust, edelbrock 1406, staying stock for the most part 88 GMC Suburban - 6.2 Diesel 4x4, 87 humvee 6.2 diesel, 6 inch lift 92 Harley Davidson XLH 1200 - Fat Bob Tank, Fwd Controls, Solo seat, Cycle Shack Drag Pipes, Hypercharger United States Marine Corps SEPIUS EXERTUS, SEMPER FIDELIS, FRATER INFINITAS "Often Tested, Always Faithful, Brothers Forever" " Duty is the most sublime word in the English language. You can never do more, you should never wish to do less." --- Robert E. Lee writing to his son If you are ashamed to stand by your colors, you had better seek another flag. --Anonymous