10220 Unibit Hole Enlarging 8 Step Drill Bit

Short Description:

Unibit fractional hole enlarging step drill bit Number 20. Eight steps for hole sizes 9/16″ to 1″ and 1/8″ step depth. Pilot hole required. High speed steel, featuring single-flute cutting edge.


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Product Tags

INCH

NO.OF

HOLE SIZES &

SHANK

STEP

ORDER NO

ORDER NO

ORDER NO ORDER NO

HOLES

  DIA. THICKNESS

HSS

HSS TIN

HSSCO5 HSSCO5 TIN

8

9/16-1″

1/2″

1/8″

12-001-055

12-001-T55 12-001-C55 12-001-G55

10

13/16-1-3/8″

1/2″

1/8″

12-001-060

12-001-T60 12-001-C60 12-001-G60

METRIC

NO.OF

HOLE SIZES &

SHANK

STEP

ORDER NO

ORDER NO

ORDER NO ORDER NO

HOLES

INCREMENTS

DIA.

THICKNESS

HSS

HSS TIN

HSSCO5 HSSCO5 TIN

6

14-24x2mm

13mm

5mm

11-001-050

11-001-T50 11-001-C50 11-001-G50

8

20-34x2mm

13mm

5mm

11-001-055

11-001-T55 11-001-C55 11-001-G55

We have a dedicated and aggressive sales team, and many branches, catering to our customers. We are looking for long-term business partnerships, and ensure our suppliers that they will definitely benefit in both short and long run.
With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in this field and other industries. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success! We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
Our products are exported worldwide. Our customers are always satisfied with our reliable quality, customer-oriented services and competitive prices. Our mission is “to continue to earn your loyalty by dedicating our efforts to the constant improvement of our products and services in order to ensure the satisfaction of our end-users, customers, employees, suppliers and the worldwide communities in which we cooperate”.

Satisfaction and good credit to every customer is our priority. We focus on every detail of order processing for customers till they have received safe and sound products with good logistics service and economical cost. Depending on this, our products are sold very well in the countries in Africa, the Mid-East and Southeast Asia.
Based on experienced engineers, all orders for drawing-based or sample-based processing are welcomed. We have won a good reputation for outstanding customer service among our overseas customers. We will continue to try the best to offer you good quality products and the best service. We are looking forward to serving you.


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