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7Pcs Extra Long Wood Drill Bit 4mm，5mm，6mm，7mm，8mm，10mm，12mm
Features:
Brad point starts bit drilling on center, eliminates the need for a center punch..
12" long, perfect for thick pieces of wood.
Ideal For DIY, home and general building/engineering using.
Material: High-carbon steel
Drill Bit Length: 300mm(11.81in)
Approx. 32*7*1.5cm / 12.60 * 2.76 * 0.59in
Diameter：4mm，5mm，6mm，7mm，8mm，10mm，12mm
Package include:
7 x Extra Long Wood Drill Bit (Include: 4mm，5mm，6mm，7mm，8mm，10mm，12mm)
8Pcs Drill Bit Stop Collar
Specification:
Material: carbon steel
Size: stop collar:φ3、φ4、φ5、φ6、φ8、φ10、φ12、φ16(mm) 1/8,3/16,1/4,5/16,3/8,7/16,1/2,5/8(inch)
Hex shank: 2.5mm(W)
Package include:
1x hex shank
8x stop collars
Monty Lee Pettit
2025-08-20 14:51:28
came well packaged, with a case and markings ( weirdly rare when ordering these long bits)well oiled, not a spec of rust and perfectly straight if my pen blanks are any indication.would be nice if they were keyed near the base but that can cause issue so i understand why they left them flat.all together, exactly what i was hoping for.
ricky
2025-08-12 12:56:07
Love these drill bits all sizes with stop colors also
New to air-cooled
2025-06-05 14:22:25
They were only used for a few dozen holes. They worked well for that. They are obviously not the highest quality. For light to intermediate use, they are great.
Brenda Kay
2025-06-04 13:48:42
I was using the 7mm bit and it twisted on the first hole trying to drill through a 6†DF/L post.I’m going to try and get a replacement or a higher quality bit.
Judith
2025-04-22 18:34:13
, they work well
Robert
2025-04-18 18:19:14
The only bit I have used so far twisted up after a couple of holes. These bits are obviously created by twisting the shaped metal into a spiral drill bit. This one untwisted itself. They might work better soft dried lumber.
Richard G. Weyers
2025-04-04 17:47:14
the order was fulfilled quickly and correctly.
HENRY
2025-03-01 21:27:52
After 5 minutes of used they get heated and subsequently they bend.
Marcel
2025-02-28 15:37:12
Très utiles à l'occasion
Cliente de
2025-02-08 13:33:49
Cuando llegaron, note que era de material deficiente pero quize darles oportunidad, es la tercera vez que la utilizo, para agujerar un canto de un aparente de Pino y cedro, y fiel a su baja calidad, termino destorciendose y doblandose, No compren si valoran su dinero y tiempo
marcos gonzalez cisneros
2025-01-24 16:07:48
No son para trabajo constante, la calidad del metal al calentarse la hace susceptible a torcerse, use la mas gruesa y se pandeo después de varias perforaciones, no dudo que al usar las delgadas pase lo mismo, asà que tendré que trabajar más lento, y dejarlas enfriar para evitar deformación de la broca
Dave G.
2025-01-16 15:58:26
Content
Tim Rooney
2025-01-01 14:18:02
I tried drilling through 1/16†plastic and two of the two bits I used both bent! Total garbage! DO NOT BUY!
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