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Square Hole Drill Bits A&I Style
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  • Square Hole Drill Bits A&I Style
  • Square Hole Drill Bits A&I Style
Square Hole Drill Bits

Square Hole Drill Bits A&I Style

Either made from high-quality carbon steel or equally better materials.
The walls of the chisel point are all equal in thickness for superior long-lasting performance.
All metric chisels and imperial sizes from 1/4" to 1-3/16" have 3/4" or 5/8" shanks.

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Product Features
  • Cutting tips
    Designed for efficient chip ejection, the drill bits have well-ground cutting tips and spurs for compatibility with a variety of mortisers.
  • The point
    The chisel point has four teeth, all equal in height.
  • The body
    The chisel bodies, accurately ground and hardened, have polished outside faces and smoothly machined inner bevels for easy penetration.
Product Details
Shank Chisel body&bit Four teeth Bit point
Dimension Marking

Product Parameters

A&I style:
Silver Grinding
Unit: mm

Item No. D L L1 3/4d 5/8 d 3/4 d2 5/8 d2
U1102060 6.00  210  43  19  15.87  4.55  4.55 
U1102063 6.35  210  43  19  15.87  4.55  4.55 
U1102079 7.94  210  47  19  15.87  5.85  5.85 
U1102095 9.50  210  61  19  15.87  6.85  6.85 
U1102100 10.00  210  72  19  15.87  6.85  6.85 
U1102110 11.00  210  72  19  15.87  8.05  8.05 
U1102120 12.00  210  72  19  15.87  9.30  9.30 
U1102127 12.70  210  72  19  15.87  9.50  9.50 
U1102140 14.00  210  72  19  15.87  10.10  10.10 
U1102150 15.00  218  92  19  15.87  11.80  10.00 
U1102159 15.90  218  92  19  15.87  12.00  10.00 
U1102180 18.00  225  92  19  15.87  12.00  10.00 
U1102190 19.00  225  92  19  15.87  12.00  10.00 
U1102200 20.00  225  92  19  15.87  12.00  10.00 
U1102220 22.00  225  92  19  15.87  12.00  10.00 
U1102254 25.40  225  92  19  15.87  12.00  10.00 
U1102300 30.00  225  92  19  15.87  12.00  10.00 
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ABOUT
Zhejiang URUS Tools Co., Ltd.

Founded in 1995, Zhejiang URUS Tools Co., Ltd. is located in Ganyao town, Jiashan city, Zhejiang Province, covering an area of 36,000 square meters, with a plant area of 65,000 square meters, with optimal traffic connections to Shanghai and Hangzhou (high speed train, airport, highway, etc.). We have attained ISO9001:2015 certification. With continuous business development, our company was awarded a national high-tech enterprise, Jiaxing patent model enterprise, Municipal R&D center, Famous trademark, Civilized enterprise, and so on.

As a professional manufacturer, URUS Tools specializes in producing all kinds of drill bits, pliers, and hand tool sets. Our products are exported to Japan, Europe, the United States, and other countries.

Certificate Of Honor
  • TUV Rheinland Laboratory Certificate
  • VPA certificate
  • Japanese JQA Certificate 1
  • Japanese JQA Certificate 2
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