Best Concave Radius Bits

Mitutoyo 186-101, Radius Gage Set, 15 Pairs of Leaves, 1/32 to 1/4 by 64ths

Drill bit is engineered with M-35-grade Cobalt Alloy Steel steel for maximum life when drilling in tough steel.
Drill bits feature a radial concave flute.
IRWIN drill bits have laser-marked sizes for simple identification.

Concave Shank Type Cutter - Form Relieved - High Speed Steel.
Concave - Radius: 5/16 - Shank: 3/4 - Overall Length: 4 - Cutter Dia: 1 5/8 - Number of Teeth: 4.

Made from S2 tool steel and hardened to 56-58 Rockwell "C".
VERSATILE: Features 54 hollow-ground flat bits, 4 phillips, 3 torx and 8 allen bits.
8 Allen Bits (1/16 5/64 3/32 7/64 1/8 9/64 5/32 3/16).
CONVENIENT: Each bit has a concave shape, ensuring maximum contact.

[Function] 1Pcs 80# lengthen diamond bits, The side body has two concave surfaces, they are suitable for trimming and smoothing the nail tips of pets over 20lbs. 1/8”Shank..
[ Original Design] The dog nail grinder wheel made of diamond has good heat dissipation. The two concave surfaces on the side of the grinding head can be used alternately..
[Use Range] Diamond rotary nail grinder bits compatible with dremel tools, Professionally designed for dog nail grooming..
[Maintenance] After triming,clean the grinder bit using the small brush and wipe down the grinder bits with a slightly damp clean cloth..
[After-sales]We are a professional pet grooming tool provider, If there is any problem with your product or order, contact us and we'll make it right!.

VERSATILE: Wheeler’s engineers measured the screws on over one hundred modern and antique firearms to make sure that we offered bits for every....
FEATURES: (54) hollow-ground flat bits, (15) specialty bits, (8) Allen, (4) Phillips, (3) Torx, (1) 2 ¼ shaft extension and (1) hex-to-square drive....
EASE OF USE: Hollow-ground bits have a concave shape that allows for insertion all the way into the screw slot for maximum contact.
INCLUDES: 2 non-slip, over molded plastic handles with a convenient hinged storage case.
DURABLE: Constructed of strong, S2 tool steel.

This ratcheting screwdriver set is perfect for turning hard-to-reach screws, especially where space is limited or leverage is needed.
The 72-tooth ultra-fine ratchet has a 5-degree turning radius. The handle's rotation can be instanly toggled between clockwise and counterclockwise.
The handle is made of chrome vanadium steel to provide greater control, comfort, and torque. It accepts industry-standard micro (4mm) bits.
The rachet screwdriver set includes the handle and the following eight bits: Phillips #2 and #1.
The included screwdriver bits are made of hardened and tempered alloy steel to guarantee a good fit and added durability.
Handle: 3 ½ inches long. Bits are standard ¼ inch hex by 1 inch long..

【Feature】-- The radius measuring instrument has two types of leaves so it can check both convex and concave surfaces. Each leaf is clearly marked, Convenient to identify which leaf you need..
【Scope Application】-- This radius gauge is widely used in home improvement, machine installation, Electric equipment, Suitable for tool and mold manufacturers, Mechanics and many other workers to check the tool radius of the meter, Measure the thickness or width of screw, Valve, Bearing ect..
【Material】-- High quality stainless steel material made, Anti-rust and corrosion resistant, Durable and not easy to deform..
【Size】-- R0.3-1.5mm/R1-6.5mm /R7-14.5mm/R15-25mm/R25-50mm /R26-80mm.