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Self-Centering Adjustable Tenghebao Woodworking Autocenter Review

3

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Terrible

Revainrating 1.5 out of 5  
Rating 
1.7
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Description of Self-Centering Adjustable Tenghebao Woodworking Autocenter

Superior drilling performance:Center drill is made of high speed steel drill bit & quenching treatment shell designed. Superior drilling performance, high hardness and durability, reducing your working time by more than half. Satisfy all you demand: hinge drills come in 8 different sizes: 5/64', 7/64'', 9/64''*2, 11/64'', 13/64'', 5mm and 1/4". With 1 Hex key , 8 replacement drill bits,and 1 Center Hole Punch. High-quality materials: Center Drill use of high-quality HSS high-speed steel. Center Hole Punch use of High Hardness Brass , not only high damage resistance, not easily broken. The service life is four to five times that of a common center drill. Excellent design: Automatic positioning center enhance accuracy and efficiency. Double-sided hole design - fast & automatic discharge Sawdust from the hole on both sides.Automatic Center Punch is heavy and well machined , and has a deeply knurled surface which means that more easily handling and control, Each metal hardened and chrome plated tip can last for hundreds of strikes . Multipurpose: Center Drill bit perfect for hinges, handles, drawer slides, woodworking . Suitable for professionals and woodworking enthusiasts.Center Punch for precise positioning in a variety of materials, which can be used as an awl for belts or glass window breaker for car safety.

Reviews

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Type of review

Revainrating 1 out of 5

practically unusable

Centering sleeves have virtually no taper at the ends. So finding a hole in the hardware you want to center is not easy. The smaller sizes had centering sleeves that were larger than the screw head so they couldn't find the hole. Pretty good at rendering them useless. The included centering stamp was also useless. Blunt tip and no centering sleeve. What do I need this for?

Pros
  • High-quality materials: use of high-quality HSS center drills. Brass center punch with high hardness, not only highly resistant to damage, but also difficult to break. The service life is four to five times longer than with a conventional center drill.
Cons
  • Not bad, but...

Revainrating 1 out of 5

These bits are junk

I would not recommend these bits. Doesn't center the bit exactly. It wobbles and fits very loosely in the Chanel she rides Steve also gets stuck in the top right position so you have to lower it between uses. The bits also don't protrude far enough for a suitable pilot hole.

Pros
  • Meet All Your Needs: Hinge bits come in 8 different sizes: 5/64", 7/64", 9/64"*2, 11/64", 13/64", 5 mm. and 1/4". With 1 Allen key, 8 spare bits and 1 hole punch.
Cons
  • Small parts

Revainrating 3 out of 5

Reasonable but not good quality

later. As another reviewer recently wrote, these will work as intended and appropriately. There is almost no bevel on the guide to help align it in a loop or threaded hole for more precise drilling. The materials seem cheap, but again sufficient. The box they came in was broken upon delivery, although the shipping box was well stocked with Revain, so the broken plastic box was probably from the original assembly. The parts were supposed to be separated in a foam cutout, but the cutout was so…

Pros
  • Excellent drilling performance: The center drill is made of high-speed steel and has a hardened shell. Excellent drilling performance, high hardness and durability, reducing your working time by more than half.
Cons
  • I will add