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๐Ÿ”ฉ ultimate precision: hymnorq metric standard aluminum stainless for superior performance logo

๐Ÿ”ฉ Ultimate Precision: Hymnorq Metric Standard Aluminum Stainless for Superior Performance Review

3

ยท

Very good

Revainrating 4.5 out of 5ย ย 
Ratingย 
4.7
๐Ÿ› ๏ธ Workholding, ๐Ÿ› ๏ธ Industrial Power & Hand Tools

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Description of ๐Ÿ”ฉ Ultimate Precision: Hymnorq Metric Standard Aluminum Stainless for Superior Performance

COBALT STEEL - Manufactured from M35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, extremely heat resistant; for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit. NO CENTER PUNCH NEEDED - The 135ยฐ Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not "walk" or "wander". Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks. Must be used and operated at proper RPMs for maximum efficiency. 8PC METRIC BITS - The drill bit set contains 8 bits sized from 3mm up to 10mm in 1mm increment(3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10 mm). The bits are well packed in a red plastic index case for easy picking, transportation, and storage. FOR METALWORKING - Particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too. Not for hardened steel / high carbon steel. Try to adjust the RPM when it fails to penetrate. EXCELLENT CUSTOMER SERVICE - If you are not fully satisfied with our product for any reason, please contact us. Your message will be replied in 12 hours.

Reviews

Global ratings 3
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    1
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Type of review

Revainrating 4 out of 5

Very good quality pens. Bits, not that many

I bought this for fabrication projects. The vice is of very good quality and works perfectly. I understand some reviewers have complained that the jaws don't hold straight, but I was able to get the drill bits to hold straight and secure with minimal wobble. The inside angle of the jaws is probably too large and the jaws are plated making it difficult to position the drill correctly. In reality, however, it was not very difficult for an experienced machinist or toolmaker. If I hadn't read theโ€ฆ

Pros
  • Power tools and hand tools
Cons
  • Some bugs

Revainrating 5 out of 5

Drilled straight through the engine stud/steel block.

A 5mm drill bit was needed to repair a broken 6mm fastener holding the oil pan to the engine block. After the bolt could not be removed with a drill and left hand puller, it was time to drill through the center of the fastener, the engine steel block, and tap new threads with an Irwin 6mm x 1.5.20 or 5 .25mm This drill set had 5.0 and then 5.5mm drill bits. Using a 5.0 drill and coolant, the drill drilled well through the bolt and steel engine block. The drill has not deviated from the centerโ€ฆ

Pros
  • Finger Vise
Cons
  • Damaged

Revainrating 5 out of 5

Great set of METRIC bits!

When I bought them I only intended to use them for light work (drilling in plastic). However, as fate would have it, I had to use them to drill through hardened steel and to my great surprise they worked admirably. It was a pleasant surprise (expected "Chinese rubbish") and very happy with this purchase; especially considering it's a METRIC set which is hard to find (in the US). I would like a 1mm nozzle in the kit, but oh well. It's just a preference and nothing against the quality of the bits

Pros
  • Tools and Housewares
Cons
  • Other