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broken drill bit in iron hosel


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What were you trying to do?

 

Clean?

Bore out?

Drill out weight from the bore?

 

If it's jist due to a tight fit, you may be able to heat the hosel so it expands a bit and smack it againt a table to knock it free. That's about the only idea I've got.

 

If the bit is big enough, you may able to buy a carbide bit, tap it, and use an EZ out?

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Forget the Ez-out. You can not use one to remove a broken drill bit. I'm frankly not sure what to suggest other than maybe using a punch and trying to spin the broken bit backwards, or find a machine shop that specializes in extracting broken bolts and pay the man. It won't be cheap.

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I did tool and die work for a long time, and let me tell ya, this is a doozie. Other than the thermal shock idea, there aren't many options. A drill bit is made from hardened tool steel, so about the only thing that will cut it is carbide, and even that won't work super well, but it has a decent chance of working. You will need to take the head to a machine shop to have them try to cut the bit out for you with a carbide end mill in a milling machine. You need absolute rigidity to do this without also breaking the carbide tool, because if you do that, your 5 iron is toast. Then the only option is to have the endmill and drill bit cut out with a ram EDM, and those aren't the most common machines, nor will it be cheap. In fact, you're probably better off just buying a new 5 iron head anyway, because most machine shops charge between $60 to $100 an hour. I'm guessing a new 5 iron won't cost you that, unless it's high-dollar or rare.

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PING G400 Max 10.5° UST Attas 4U 6TS 44"                      PING G25 10.5° Graphite Design 2419S Prototype

Taylormade SLDR Mini 14° Kuro Kage Blue 70X 42.5"         PING G25 3 Wood Aerotech Steelfiber ss75 S

Callaway V Series 5 Wood Diamana Kai'Li 80S 41.5"           PING G25 5 Wood Aerotech Steelfiber ss85 S

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I'm also guessing you were drilling without using cutting oil and the drill bit galled and seized in the hosel bore. It's a good idea to always use lubrication on the drill bit if the bore is a tight fit with it. Then this won't happen. High-speed steel cutting tools aren't made to be run dry.

Bag 1                                                                                        Bag 2

PING G400 Max 10.5° UST Attas 4U 6TS 44"                      PING G25 10.5° Graphite Design 2419S Prototype

Taylormade SLDR Mini 14° Kuro Kage Blue 70X 42.5"         PING G25 3 Wood Aerotech Steelfiber ss75 S

Callaway V Series 5 Wood Diamana Kai'Li 80S 41.5"           PING G25 5 Wood Aerotech Steelfiber ss85 S

Callaway Rogue 7 Wood Diamana Kai'Li 80S 41"                 PING G25 23° Hybrid KBS Tour V 110

Callaway Rogue 24° Hybrid Tour AD DI 95X                        PING G25 Irons 5-UW KBS Tour V 120

Mizuno JPX 900 Hot Metal 6-GW AMT Tour White s300   PING Glide 54° SS and 58° TS KBS 610 125

Mizuno T20 54° and 60° DG TI s400                                   PING Sigma Tyne H

Odyssey O-Works Red 7s

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Just an idea but if you have a good bench vice and can clamp the head securely, then take an old drill bit of similar size to the one that broke and grind a chisel point in the end. Then chuck that bad boy in your drill motor and turn it BACKWARDS and cram it down the hosel to see if you can try to get that busted bit to spin backwards. If you can get it to rotate CCW just a little it should come out.

Ping G400 Max driver w/Aldila Rogue 125 Silver 60S
Cobra (Lexi blue) F7 5 wood w/Aldila Rogue Black 70S
Cobra (Lexi blue) F7 Hybrid w/Aldila Kuro Kage 80S
Ping G410 irons w/Recoil 95S
Ping Glide 55/60 wedges w/Recoil 110S
Ping Anser/Arna putter - the "real deal!"

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