DEWALT DW3742C 14-Piece T-Shank Jigsaw Blade Set

The DEWALT DW3742C is a 14-piece T-shank jigsaw blade set supplied with a case. Its listed assortment spans five tooth counts for wood and metal cutting, with blade lengths varying by type.

At a glance

Assortment includes five stated tooth counts: 6, 10, 12, 18 and 32 TPI.
The listing gives 4-inch lengths for 6 and 10 TPI blades and 3-inch lengths for 18 and 32 TPI blades.
T-shank design is stated to fit Bosch and DEWALT jigsaws.

Price

$29.99Save 33%

Reference price: ~~$44.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

Five tooth-count options offer a range of listed blade types for wood and metal work.
The included case keeps the assortment together for storage.

Technical specifications

11 specifications

Identity and compatibility
Brand	DEWALT
Model	DW3742C
Blade interface	T-Shank
Compatible jigsaws	Bosch and DEWALT jig saws

Blade set
Piece count	14-Piece
Teeth per inch options	6, 10, 12, 18, 32-teeth per inch blades
Length for 6 and 10 TPI blades	6tpi/10tpi blades are 4-inches long
Length for 18 and 32 TPI blades	18tpi/32tpi blades are 3-inches long
Material listed	Blend
Compatible material	Metal
Applications	Wood and metal applications

What to know before buying

Listing details to confirm

The listing gives different dimensions for the product: 17.2L x 15.4W centimetres and 17.2 x 15.4 x 0.25 cm; 230 g. It also identifies 14 pieces overall while describing five different blade sets, without specifying each type's quantity. Check the selected listing for exact case dimensions and assortment breakdown. The stated blade lengths cover 6, 10, 18 and 32 TPI, but not 12 TPI.

What’s in the box

Included

14-piece T-shank jigsaw blade set
Case

Who is it for?

A good fit for

Jigsaw users wanting a compact T-shank assortment with several tooth-count options for wood and metal applications.
Owners of Bosch or DEWALT jigsaws, subject to checking that their particular saw accepts T-shank blades.

Less suited to

Shoppers who need a confirmed blade count for each tooth type or a stated length for every blade option.

DEWALT DW3742C 14-Piece T-Shank Jigsaw Blade Set · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 8,407 ratings

5 stars78%78%
4 stars18%18%
3 stars2%2%
2 stars0%0%
1 star2%2%

Customer feedback describes the blade selection, case and cutting performance positively, including reported satisfaction with variety and sharpness. For buyers, those comments suggest the assortment and storage are valued in practice, while the listed TPI options and wood and metal applications clarify the set's intended range. Aggregate ratings are also mostly in the top categories, but they do not establish how the blades perform for a particular material or task.

Positive themes

Customers value the blade selection and variety.
The case is described positively as a useful storage addition.
Feedback reports satisfaction with cutting performance and sharpness.

Frequently asked questions

What blade types are listed in the set?

The listing names 6, 10, 12, 18 and 32 teeth-per-inch options. It states that 6 and 10 TPI blades are 4 inches long, and 18 and 32 TPI blades are 3 inches long.

Which jigsaws are these blades claimed to fit?

The listing says the T-shank design fits Bosch and DEWALT jigsaws. Confirm that your specific saw accepts T-shank blades.

Does the set include a case?

Yes. The manufacturer contents list identifies a 14-piece T-shank jigsaw blade set with case.