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01H131 - Walter 31/64 Hex Sst Stub Drill

Packaging: 5 per each
$43.48/ea $190.90/5 per each only $38.18/eaSave 12%

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OVERVIEW

Reliable Drilling for Stainless and Sheet Metal

Fabricators and welders know that drilling through stainless steel can be one of the most frustrating tasks in the shop. Standard bits often dull quickly, wander off the mark, or snap under pressure. The Walter 31/64" Hex Shank Stub Drill (SKU: 01H131) is built to solve these specific challenges. Designed with the welder in mind, this bit features a heavy-duty construction that prioritizes durability and control. The "stub" length is shorter than a standard drill bit, which makes it much stiffer. This added rigidity allows you to apply the necessary pressure to cut through work-hardened materials like stainless steel without the bit flexing and snapping, a common occurrence with longer bits.

Time is money in any fabrication shop, and the Walter SST+ bit is designed to save you both. The 135° split point tip is a game-changer for efficiency. It bites into the metal instantly, allowing you to drill accurate holes without wasting time with a center punch or pilot drill. This is particularly useful when working on curved surfaces or round tubing where standard bits tend to skate away. The clean cutting action produces round, burr-free holes, reducing the amount of post-drilling cleanup or deburring required before welding or assembly.

The hex shank on this 31/64" bit is another feature that practical users will appreciate. Round shanks can spin inside the chuck when the going gets tough, ruining the shank and damaging the chuck jaws. The hex design provides a positive lock, ensuring 100% of your drill's power is transferred to the cutting edge. It also makes swapping bits fast and easy, compatible with any standard three-jaw chuck or hex-bit adapter. Coated with a special bronze SST treatment to resist heat and wear, this drill bit stays sharp longer, giving you more holes per dollar. Whether you are drilling out spot welds, installing rivets, or fabricating custom brackets, the Walter SST+ Stub Drill is the reliable partner your power tools deserve.

Additional Information
Brand:Walter Surface Technologies
Diameter:31/64"
Shank Type:Hex
Point Angle:135° Split Point
Material:High-Speed Steel (HSS)
Coating:Bronze SST
Drill Style:Stub Length
Packaging Description:1 per each

INCLUDED

  • 1 x Walter SST+ 31/64" Hex Shank Stub Drill Bit

APPLICATIONS

  • Drilling stainless steel and high-tensile alloys
  • Sheet metal fabrication and auto body work
  • Drilling thin-walled tubing and pipes
  • General fabrication with mild steel and aluminum
  • Portable drilling where space is limited
  • Installation of rivets and fasteners

FAQ

Stub length drill bits, also known as screw machine length, are shorter than standard jobber bits. This shorter length provides greater rigidity, reducing flexing and breakage, which is especially helpful when drilling hard metals or using hand drills.

No, this drill bit features a 135° split point geometry that is self-centering. It prevents the bit from walking or wandering on the surface, allowing you to drill directly without a pilot hole or center punch.

The Walter SST+ stub drill is designed for high performance on stainless steel, mild steel, non-ferrous metals (like aluminum and copper), and thin-walled sheet metal.

The hex shank is designed to prevent the bit from spinning or slipping inside the drill chuck, ensuring maximum torque transfer. It also allows for use in quick-change adapters and impact drivers.

The Bronze SST treatment is a specialized coating applied to Walter drill bits. It improves heat resistance and lubricity, helping to evacuate chips more efficiently and extending the life of the cutting edge.

Yes, the self-centering 135° split point makes it excellent for drilling into round surfaces like pipes and tubing, as it bites into the material immediately without skating.

The diameter of the Walter 01H131 is 31/64 of an inch.