Best High Speed Steel Counterbores

HHIP 2007-0023 21 Pieces HSS Interchangeable Pilot Counterbore Set

14 pilots with a 5/32" shank including 0.187, 0.204, 0.213, 0.229, 1/4, 17/64, 9/32, 5/16, 21/64, 11/32, 3/8, 25/64, 13/32 and 7/16.
6 counterbores including 5/16, 3/8, 7/16, 1/2, 9/16 and 5/8.

* 6 counterbores: 5/16'', 3/8'', 7/16'', 1/2'', 9/16'', And 5/8''.
* 14 Piolts With A 5/32'' Shank: 0.187'', 0.204'', 0.213'', 0.229'', 1/4'', 17/64'', 9/32'', 5/16'', 21/64'', 11/32'', 3/8'', 25/64'', 13/32'', And 7/16''.

PRE-DRILLS AND COUNTERBORES PERFECTLY- The patented number 8 Pro Plug Tool for Wood creates a screw hole and countersinks all in one step. The tool is designed for use with the Pro Plug System for wood by Starborn Industries..

Product Size: Length about 1.97-3.54 inch, diameter about 0.12-0.39 inch, error about 0.39 inch.
Made of high speed steel material ,high hardness with long service life..
Excellent high speed steel, high hardness with good durability..

SUPERIOR MATERIAL. The deburring tool kit set is super heavy-duty, with its handle being made of premium painted aluminum alloy, rotary mounting head being made of tough M2 high speed steel, blades included being made of quality high speed steel (The five BS1018 blades included containing cobalt for strong cutting would be effective even on stainless steel )..
EFFICIENT & COMFORTABLE. Features 360 degree rotated mounting head, comfortable handle and replaceable design, this tool kit set is an ideal product for even long time using. The blade is mounted on the handle that rotated 360 degrees, works great for both right/left handed friend. You can replace the blade by simply pressing the button, which is pretty simple. The Grip is 12.8cm(5 inches) in length,and it is comfortable and secure to hold..
WIDE APPLICATION. The deburring tool kit came with 21 blades, perfect for cutting the circular holes edge, deep holes, straight edge, curved edges, slots. It suits from home use DIY projects to professional industrial applications, effective on stainless steel, steel, copper, aluminum, plastic, PVC, tin, trunking and most of the work-piece trimming operations..
21 BLADES INCLUDED. With a total of 21 pieces blades per order. 11pcs BS1010 Black HSS High....

INNOVATIVE DESIGN: Specially engineered slots to prevent the shelf from sliding off while removing files.
top mini compartments provides multiple options for calculators, staplers, sticky notes etc..
SAVE YOU SPACE: 5 shelves with 8 slots to adjust the heights for standard papers, stacked files, letters, or notes.
12.8" L x 9.6"W x 9.8"H, tidy up your desk while taking less space.
DELICATE WORKMANSHIP: Safety-oriented corners and counterbores to keep you and your files safe.
versatile 3-way layout as needed: in horizontal for documents, vertical for books or upright as a tub file bin.
ECO-FRIENDLY & DURABLE: Crafted from renewable bamboo, ensures you a durable and sturdy file organizer with zero environmental impact.
specially varnished bamboo to protect against water and make cleaning easy.
EASY TO ASSEMBLE: simple structure makes it super easy to set up, just a few minutes and it is ready for use.
detailed instructions and tools included.

【Durable High Speed Steel Construction】Material is High-speed Stainless Steel, full-body high-speed steel blades are ideal for squaring and framing.
【Excellent Hardness and Sharpness】Made of Heat treated High speed steel, engineered for improved durability, increased hardness and longer sharpness.
【Easy To Re-sharpen】Resharpenable edge allows for longer bit life, easy to re-sharpen and ideal for heavy construction planning applications.
【Convenient Use】Quick set knives for easy set up.
【Application】Suitable for wood products processing, furniture, artificial board, fiber density board cutting, etc..

Pack of 12 Straight Knives For Eastman Industrial Fabric Cutting Machines..
High speed steel (HSS) straight knives. High speed steel has proven to be the most popular type of steel for general purpose cutting due to its resistence to wear after many sharpenings. High speed steel maintains a finer cutting edge for a longer leanth of time than other steels which may be available for cutting. Made in USA..