Bosch TI29 Titanium-Coated Drill Bit Set, 29 Piece

The Bosch TI29 is a 29-piece titanium-coated drill bit set for general-purpose drilling in metal, wood and plastic. Its listing highlights a split-point design for cleaner starts and a three-flat shank on bits 3/16 in. and larger for a more secure grip.

At a glance

29 bits span sizes from 1/16" to 1/2", with one of each size listed.
The split-point tip is described as helping the bit start without skating.
The listing says the titanium coating reduces friction and claims 2x longer life than standard drill bits.
Three-flat shanks are specified on bits 3/16 in. and larger.
Intended for general-purpose drilling in high-carbon steel and light-gauge metal, as well as wood and plastic.

Price

$118.15Save 15%

Reference price: ~~$139.00~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

A broad 29-size selection covers the listed range from 1/16" through 1/2".
The listed split-point tip and high-visibility diameter markings can make starting and selecting bits easier.
Three-flat shanks on larger bits are intended to improve grip and reduce slipping.

Technical specifications

15 specifications

Identity
Brand	Bosch
Model	TI29

Set details
Number of pieces	29
Finish	Titanium
Material listed	Blend
Shank type	Straight
Cutting angle	120 degrees
Flute type	Spiral
Number of flutes	1
Point style	tip
Minimum bore diameter	0.06 inches
Cutting diameter	2 inches
Recommended surfaces	Metal,Plastic,Steel,Wood

Dimensions and weight
Dimensions listed	10.8 x 22.2 x 3.8 centimetres
Weight listed	499 g

What to know before buying

Listing details to confirm

The listing gives a cutting diameter of 2 inches and a minimum bore diameter of 0.06 inches, figures that do not clearly describe the individual bits in the stated 1/16" to 1/2" set. It also lists a generic 120-degree cutting angle and one flute, while the description calls the tip split-point. Confirm which detail applies to the actual bits before relying on those specifications. The claimed 2x longer life is a listing claim, not an independently established result.

What’s in the box

Included

29-piece titanium nitride-coated drill bit set

Who is it for?

A good fit for

HVAC and facility-maintenance work where a range of bit sizes for metal, wood and plastic is useful.
Buyers wanting a general-purpose drill bit set with sizes from 1/16" to 1/2".

Less suited to

Buyers who need a verified bit profile or precise cutting-diameter specification before purchase.
Work that requires a specialized bit type not identified in the listing.

Bosch TI29 Titanium-Coated Drill Bit Set, 29 Piece · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 21 ratings

5 stars65%65%
4 stars14%14%
3 stars14%14%
2 stars7%7%
1 star0%0%

The supplied evidence includes aggregate star ratings but no customer-comment summary. The distribution leans positive, with some middle and lower ratings, but it does not establish why customers rated the set that way. For buyers considering a 29-size general-purpose kit, the ratings cannot resolve the listing's unclear diameter and point specifications.

Frequently asked questions

What sizes are included in the Bosch TI29 set?

The description lists one bit each from 1/16" through 1/2" in fractional sizes, for 29 bits total.

What materials is this set intended to drill?

The listing describes general-purpose use in high-carbon steel and light-gauge metal, as well as wood and plastic.

Does the listing provide consistent bit specifications?

Not entirely. Its diameter and point details do not clearly align with the described 29-bit size range and split-point tip. See the listing-details note and confirm before buying if those specifications matter.