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DEWALT Jobber Length Drill Bit: 21/64", 135° Pilot Point, Black Oxide HSS - General Purpose High-Speed Steel Jobber-Length Drill Bits
DEWALTGeneral Purpose High-Speed Steel Jobber-Length Drill Bits

DEWALT Jobber Length Drill Bit: 21/64", 135° Pilot Point, Black Oxide HSS

The DEWALT Jobber Length Drill Bit (21/64", MPN DW1921) is a general purpose high-speed steel bit with a 135° pilot point, black oxide finish, and hex shank. It features a 0.3281-inch diameter, designed for efficient…

SKU 3G-OTH-192362

Also listed as: DW 1921 · DW-1921

Brand
DEWALT
Item
Jobber Length Drill Bit: 21/64", 135° Pilot Point, Black Oxide HSS
Category
General Purpose High-Speed Steel Jobber-Length Drill Bits
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

DEWALT
Manufacturer Part Number
DW1921
Type
Black Oxide HSS, Hex Shank
Pilot Point
135°

Technical Documents

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DEWALT Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DEWALT Jobber Length Drill Bit (21/64", MPN DW1921) is a general purpose high-speed steel bit with a 135° pilot point, black oxide finish, and hex shank. It features a 0.3281-inch diameter, designed for efficient drilling in a range of materials.

Frequently Asked Questions

What is the DEWALT DW1921 drill bit used for?

The DEWALT DW1921 is a general-purpose jobber-length drill bit for drilling into metal, wood, and plastic. Its 135° pilot point reduces walking, and the black oxide HSS construction provides heat resistance. The hex shank prevents slipping in chucks, making it suitable for production drilling and maintenance tasks.

What are the specifications of the DEWALT DW1921 drill bit?

The DEWALT DW1921 is a jobber-length drill bit with a 21/64" (0.3281 inch) diameter. It features a 135° split-point pilot point, black oxide high-speed steel (HSS) construction, and a hex shank for secure grip. The manufacturer part number is DW1921.

Where to buy DEWALT DW1921 drill bits worldwide?

3G Electric supplies the DEWALT DW1921 drill bit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this item to any country.

How to select the right DEWALT jobber drill bit size?

Select the DEWALT DW1921 for drilling 21/64" holes in metal, wood, or plastic. Match the bit diameter to your fastener or clearance requirement. For harder materials, use cutting fluid and reduce speed. The hex shank fits standard chucks and prevents slippage during drilling.

Used in

Common applications for DEWALT
Concrete fastening — DEWALT powder-actuated gun 52019-PWR with 0.22 caliber charges for attaching metal tracks to concrete slabs.
Plumbing pipe cutting — DEWALT DWAIPCIR pipe cutter attachment for impact drivers, used to cut copper and PVC pipes up to 6 5/8 inches.
Drywall finishing — DEWALT DWV9180 dust extractor attachment for the 7800 sander, reducing airborne dust during sanding.
Electrical installation — DEWALT DAH4214 carbide-tipped hole saw for cutting 2 1/4-inch holes in wood for conduit or cable runs.
Workshop storage — DEWALT DXST4500 industrial storage rack for organizing power tools and accessories in maintenance facilities.
Pressure washer repair — DEWALT 5140198-05 pump assembly for replacing worn components in DXPW3025 pressure washers.

DEWALT Products

3G Electric supplies DEWALT general purpose high-speed steel jobber-length drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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