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PATIKILOffice, craft and home improvement accessories, made by us
Jobber Straight Shank — PATIKIL

Fasteners & cutting tools

Jobber Straight Shank

4.4 326 notes

$6.79Low on the shelf

  • One 3.8mm (5/32 inch) drill bit
  • M42 8% cobalt high-speed steel
  • TiN coated, 135-degree split point
  • For hard metals like stainless steel

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What this bin holds

This M42 8% cobalt high-speed steel drill bit is made for demanding professional drilling. It cuts through hard metals efficiently and withstands high-speed applications.

We supply one drill bit with a 3.8mm (5/32 inch) cutting diameter, a 35mm flute length, and a 75mm overall length. It features a 135-degree split point and is made from M42 high-speed steel with 8% cobalt, providing high hardness and wear resistance. The titanium nitride (TiN) coating helps prevent friction and extends tool life.

The numbers on the label

What the label says
AisleFasteners & cutting tools
Options in this bin154 sizes and colours
Packing list1 pack of drill bit in 3.8mm(0.15 inch ≈ 5/32 inch) cutting diameter, 35mm/1.38 inch flute
Price across options$6.79 to $94.89
Rating on the listing4.4 from 326 notes

Who takes it home

Professionals tackling medium-high hard metals, including stainless steel, will find this drill bit useful. Its composition makes it suitable for drilling challenging materials and significantly improves machining efficiency. When you use it, ensure the drill is at a 90-degree angle to the workpiece and adjust your drilling speed—slower for harder materials.

Next to it on the shelf

Washers, screws, blades, files. Fasteners & cutting tools holds 215 bins, sorted by price and by what is on the shelf today.

Jobber Straight Shank $6.79

What makers wrote about this bin

  • Got this bit for making a drill bit holder, where holes are drilled into a block of some sort and multiple drill bits stand up next to each other. Not drilling steel, they held up for my small project, but they measure 7.15mm on my calipers which is plenty close enough for what I'm doing anyway.

    RandomGgames · 5 of 5

  • Did the job. Tapped holes in my security door to install a Ring Doorbell. The drill bit made it through like it was drywall.

    Jason Amell · 5 of 5

  • For making an 11mm (ish) hole.

    Chris L · 5 of 5

  • It's a 1.6mm so keep that in mind when drilling, good thing i bought a 4pk. I broke the 1st as I drilled way to fast. Slowed way down and drilled 30 holes in 1.5mm thick carbon fiber without any problems. After the 30 holes the bit still seems mostly sharp. The 1st bit broke, I'm 99.9% sure was my fault.

    Christopher Balko · 5 of 5

Next along the same shelf

Jobber Straight Shank$6.79