Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

CHICAGO-LATROBE Tap Kit: 1/4"-28 UNF, H3 / 3B, 4 Flute, TiN Coated High Speed Steel (MPN 174507) - Three-Piece Hand Tap Sets
CHICAGO-LATROBEThree-Piece Hand Tap Sets

CHICAGO-LATROBE Tap Kit: 1/4"-28 UNF, H3 / 3B, 4 Flute, TiN Coated High Speed Steel (MPN 174507)

The CHICAGO-LATROBE Tap Kit (SKU 53PW33) is a three-piece hand tap set for 1/4"-28 UNF threads, manufactured as MPN 174507. Each tap is H3 / 3B class, 4-flute, TiN coated high-speed steel. 3G Electric interprets this…

SKU 3G-OTH-319960

Brand
CHICAGO-LATROBE
Item
Tap Kit: 1/4"-28 UNF, H3 / 3B, 4 Flute, TiN Coated High Speed Steel
Category
Three-Piece Hand Tap Sets
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
174507
Type
H3 / 3B, TiN Coated High Speed Steel
Flute
4
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Tap Kit (SKU 53PW33) is a three-piece hand tap set for 1/4"-28 UNF threads, manufactured as MPN 174507. Each tap is H3 / 3B class, 4-flute, TiN coated high-speed steel. 3G Electric interprets this demand and delivers genuine industrial tooling across 14 departments — with specialist depth in combustion, pumps and controls — ensuring you get the right answer, not just a catalog.

Frequently Asked Questions

What is the CHICAGO-LATROBE 174507 tap kit used for?

This three-piece hand tap set is used for creating or repairing 1/4"-28 UNF internal threads in metal components. It is suitable for maintenance, tool-and-die work, and general machining applications where precise Class 3B threads are required.

What are the specifications of the CHICAGO-LATROBE 174507 tap kit?

The kit includes three taps with 1/4"-28 UNF thread size, H3 pitch diameter limit, and 3B class fit. Each tap has 4 flutes, is made of TiN-coated high-speed steel, and is designed for hand threading. The manufacturer part number is 174507.

Where to buy the CHICAGO-LATROBE 174507 tap kit worldwide?

3G Electric supplies the CHICAGO-LATROBE 174507 tap kit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct tap kit for UNF threads?

For UNF threads, match the tap size to the required thread diameter and pitch, such as 1/4"-28. Choose a tap with the appropriate class fit (e.g., 3B) and coating (e.g., TiN) for the material. CHICAGO-LATROBE offers sets with taper, plug, and bottoming taps for sequential threading.

Used in

Common applications for CHICAGO-LATROBE
Aerospace assembly — Chicago-Latrobe NAS 907 Type B aircraft-extension drill bits for drilling fastener holes in aluminum and titanium skins.
Metal fabrication — Chicago-Latrobe reduced-shank drill bit sets for enlarging holes in structural steel using magnetic drill presses.
Maintenance repair — Chicago-Latrobe left-hand cobalt jobber-length drill bits for removing broken bolts in machinery.
Tool and die making — Chicago-Latrobe jobber-length drill bit sets with 135° split point for precision hole drilling in hardened steels.
Automotive repair — Chicago-Latrobe spiral-flute screw extractors for removing seized fasteners in engine blocks or exhaust systems.
General manufacturing — Chicago-Latrobe HSS jobber-length drill bits for production drilling in mild steel and cast iron.

CHICAGO-LATROBE Products

3G Electric supplies CHICAGO-LATROBE three-piece hand tap sets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
CHICAGO-LATROBE Tap Kit: 3/4"-10 UNC, H3 / 3B, 4 Flute, TiN Coated High Speed Steel (MPN 174513)
CHICAGO-LATROBE
CHICAGO-LATROBE Tap Kit: 3/4"-10 UNC, H3 / 3B, 4 Flute, TiN Coated High Speed Steel (MPN 174513)
CHICAGO-LATROBE Tap Kit: 1/4"-20 UNC, H3 / 3B, 4 Flute, TiN Coated High Speed Steel (MPN 174506)
CHICAGO-LATROBE
CHICAGO-LATROBE Tap Kit: 1/4"-20 UNC, H3 / 3B, 4 Flute, TiN Coated High Speed Steel (MPN 174506)
CHICAGO-LATROBE Tap Kit: 5/8"-18 UNF, H3 / 3B, 4 Flute, TiN Coated High Speed Steel (MPN 174535)
CHICAGO-LATROBE
CHICAGO-LATROBE Tap Kit: 5/8"-18 UNF, H3 / 3B, 4 Flute, TiN Coated High Speed Steel (MPN 174535)
CHICAGO-LATROBE Tap Kit: 3/4"-16 UNF, H3 / 3B, 4 Flute, TiN Coated High Speed Steel (MPN 174514)
CHICAGO-LATROBE
CHICAGO-LATROBE Tap Kit: 3/4"-16 UNF, H3 / 3B, 4 Flute, TiN Coated High Speed Steel (MPN 174514)
CHICAGO-LATROBE Tap Kit: 1/2"-20 UNF, H3 / 3B, 4 Flute, TiN Coated High Speed Steel (MPN 174505)
CHICAGO-LATROBE
CHICAGO-LATROBE Tap Kit: 1/2"-20 UNF, H3 / 3B, 4 Flute, TiN Coated High Speed Steel (MPN 174505)
CHICAGO-LATROBE Tap Kit: 3/8"-24 UNF, H3 / 3B, 4 Flute, TiN Coated High Speed Steel (MPN 174529)
CHICAGO-LATROBE
CHICAGO-LATROBE Tap Kit: 3/8"-24 UNF, H3 / 3B, 4 Flute, TiN Coated High Speed Steel (MPN 174529)

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
CHICAGO-LATROBE Tap Kit: M2.5x0.45 Metric, D3 / 6H, 3 Flute, TiN Coated High Speed Steel (MPN 343503). Key specifications — attr1300563: (1) Bottoming Tap.
CHICAGO-LATROBE
CHICAGO-LATROBE Tap Kit: M2.5x0.45 Metric, D3 / 6H, 3 Flute, TiN Coated High Speed Steel (MPN 343503). Key specifications — attr1300563: (1) Bottoming Tap.
CHICAGO-LATROBE Tap Kit: #10-32 UNF, H3 / 2B, 4 Flute, TiN Coated High Speed Steel (MPN 174509)
CHICAGO-LATROBE
CHICAGO-LATROBE Tap Kit: #10-32 UNF, H3 / 2B, 4 Flute, TiN Coated High Speed Steel (MPN 174509)
CHICAGO-LATROBE Tap Kit: 5/16"-18 UNC, H3 / 2B, 4 Flute, TiN Coated High Speed Steel (MPN 174532)
CHICAGO-LATROBE
CHICAGO-LATROBE Tap Kit: 5/16"-18 UNC, H3 / 2B, 4 Flute, TiN Coated High Speed Steel (MPN 174532)
CHICAGO-LATROBE Tap Kit: M14x1.5 Metric, D6 / 6H, 4 Flute, TiN Coated High Speed Steel (MPN 173238). Key specifications — attr1300563: One Each Taper, Plug, and Bottoming.
CHICAGO-LATROBE
CHICAGO-LATROBE Tap Kit: M14x1.5 Metric, D6 / 6H, 4 Flute, TiN Coated High Speed Steel (MPN 173238). Key specifications — attr1300563: One Each Taper, Plug, and Bottoming.
CHICAGO-LATROBE Tap Kit: M14x2 Metric, D7 / 6H, 4 Flute, TiN Coated High Speed Steel (MPN 343514). Key specifications — attr1300563: (1) Taper Tap.
CHICAGO-LATROBE
CHICAGO-LATROBE Tap Kit: M14x2 Metric, D7 / 6H, 4 Flute, TiN Coated High Speed Steel (MPN 343514). Key specifications — attr1300563: (1) Taper Tap.
CHICAGO-LATROBE Tap Kit: #3-56 UNF, H2 / 2B, 3 Flute, TiN Coated High Speed Steel (MPN 355803). Key specifications — attr1300563: (1) Plug Tap.
CHICAGO-LATROBE
CHICAGO-LATROBE Tap Kit: #3-56 UNF, H2 / 2B, 3 Flute, TiN Coated High Speed Steel (MPN 355803). Key specifications — attr1300563: (1) Plug Tap.
CHICAGO-LATROBE Tap Kit: #8-36 UNF, H2 / 2B, 4 Flute, TiN Coated High Speed Steel (MPN 174545)
CHICAGO-LATROBE
CHICAGO-LATROBE Tap Kit: #8-36 UNF, H2 / 2B, 4 Flute, TiN Coated High Speed Steel (MPN 174545)
CHICAGO-LATROBE Tap Kit: M4x0.7 Metric, D4 / 6H, 4 Flute, TiN Coated High Speed Steel (MPN 343506). Key specifications — attr1300563: (1) Plug Tap.
CHICAGO-LATROBE
CHICAGO-LATROBE Tap Kit: M4x0.7 Metric, D4 / 6H, 4 Flute, TiN Coated High Speed Steel (MPN 343506). Key specifications — attr1300563: (1) Plug Tap.