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8PCS HSS Sliver Deming 1/2″ Reduced Shank Drill Bits Set With Aluminum Box Technical Specifications
Product Name 8PCS 1/2 Inch Reduced Shank Drill Bit Set
Material High Speed Steel
Process Fully Ground (Rolled, Milled are Available)
Standard Reduced Shank (DIN338,Stub DIN1897, Long DIN340, Extra Long DIN1869 are Available)
Jobber Length ,Stub Screw Machine Length, Long Taper Length, Airctraft Extensoin, Extra Long , Silver & Deming 1/2″ Reduced Shank are Available)
Size 9/16 in., 5/8 in., 11/16 in., 3/4 in., 13/16 in., 7/8 in., 15/16 in., 1 inch
Overall Length 6″
Point Type 118 Degree Regular Point ,135 Degree Split Point, Pilot Point are Available
Shank Type Reduced Shank(Hex Shank, Tri-Flats Shank, Double R Hex Shank, Straight Shank are Available)
Helix Angle Regular Spiral Type N (Slow Spiral Type H, Fast Spiral Type Ware Available)
Application Suitable for drilling holes in mold steel, I-beam, ordinary steel, angle iron, rubber, plastic, aluminum, copper, wood, stainless steel, etc)
Surface Finish Amber Color,Bright ,Black Oxide, Titanium, Black & Gold, Titanium & Bright are Available
Package Aluminum Box Package,Plastic Bag
1.High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance.
2.Universal 118° point shape for drilling a wide selection of materials.
3.Precision ground point, flutes, body, clearance and drill diameter for the ultimate in accuracy and performance.
4.Ground flutes provide fast chip removal to maximize accuracy and efficiency along the full working surface of the bit.
What does Reduced Shank Mean?
The term “reduced shank” refers to a drill bit whose shank diameter is smaller than its cutting diameter. This design allows larger drill sizes to be used in standard drilling equipment without requiring oversized chucks.
For professional users, the main benefit is convenience. Instead of investing in larger machines, operators can use existing drills to handle larger hole sizes efficiently. Reduced Shank Twist Drill Bit With Silver & Deming 1/2″ Reduced Shank
How Does a Reduced Shank Allow Large Drill Bits to Fit Standard Chucks?
Standard portable drills and drill presses typically accept chuck capacities such as 10mm, 13mm, or 1/2 inch. However, many drilling applications require hole diameters much larger than these chuck capacities.
A reduced shank design solves this problem by keeping the shank diameter within the chuck’s holding range while increasing the cutting diameter.
This design allows users to drill larger holes without upgrading their drilling equipment. For distributors, this versatility makes reduced shank drill bits attractive to both professional and industrial buyers. 13-35mm Hss M2 Reduced Shank Drill Metal Drill Bits Twist Drill Steel
What Are the Most Common Reduced Shank Sizes Used in Industrial Drilling?
Reduced shank drill bits are available in many sizes, but several configurations are particularly popular in industrial markets.
In China, 1/2-inch reduced shank drill bits, often called Silver & Deming drill bits, are among the most widely used options because they fit standard industrial drill chucks. Blacksmith HSS Cobalt Reduced Shank Drill Bit
Reduced Shank Drill Bits Size Chart
