Union Butterfield 6006897 1578 Spiral Point STI Tap, 1/4-28 Thread, 2 Flutes, 2B/3B/H3 Class of Fit, Plug Chamfer, Right Hand Cutting, UNF Thread

Pricing Notice

Due to evolving trade policies, product prices may be subject to change. For details, please refer to our Terms of Sale. We remain committed to offering competitive pricing and exceptional service.

Terms of Sale

Have a Question About a Product?

Our team is here to answer all your questions and provide the detailed information and support you need to make product decisions.

Dormer Pramet

Union Butterfield 6006897 1578 Spiral Point STI Tap, 1/4-28 Thread, 2 Flutes, 2B/3B/H3 Class of Fit, Plug Chamfer, Right Hand Cutting, UNF Thread

ManufacturerUnion Butterfield

Part #724890509

MFG #1010509

UPC #698464021312

Union Butterfield STI Tap, Spiral Point, Series: 1578, Measurement System: Imperial, 1/4-28 Thread, UNF Thread Standard, 1-1/8 in Thread Length, 2-23/32 in Overall Length, 2 Flutes, Plug Chamfer, Right Hand Cutting Direction, Class of Fit: 2B/3B/H3, 0.318 in Shank Diameter, #3 Tap Drill, 0.238 in Square, HSS, Bright

$20.65

/ EA

QTY

Knowledgeable Product TeamBenefit from our experienced team, ready to assist you with expert product knowledge and ensure a seamless shopping experience.

Manufacturer Name: Dormer Pramet

Chamfer Type: Plug

Class of Fit: 2B/3B/H3

Country of Origin: US

Cutting Direction: Right Hand

Finish/Coating: Bright

Manufacturer Name: Dormer Pramet

Material: HSS

Measurement System: Imperial

Number of Flutes: 2

Overall Length: 2-23/32 in

Series: 1578

Shank Diameter: 0.318 in

Square Size: 0.238 in

Tap Drill Size: #3

Thread Length: 1-1/8 in

Thread Size: 1/4-28

Thread Standard: UNF

Type: Spiral Point

Designed for use in aluminum, magnesium, and other nonferrous materials where taps of this type are most commonly used
Taps suitable for other materials can be furnished on request
STI taps are dimensionally oversize and utilize a larger tap drill size so that the thread they produce will accept a helical coil wire screw thread insert of the same nominal size and pitch
For a particular size and pitch the lower H-Limit number is suggested for class 2B and 3B threads, while the higher H-Limit is suggested for class 2B
Through hole

Through Hole Applications

ANSI Specified|PROP65: This product contains chemicals known to the State of California to cause cancer. For more information: www.P65Warnings.ca.gov|CSA Approved

Catalog

Manufacturer Name: Dormer Pramet

Chamfer Type: Plug

Class of Fit: 2B/3B/H3

Country of Origin: US

Cutting Direction: Right Hand

Finish/Coating: Bright

Manufacturer Name: Dormer Pramet

Material: HSS

Measurement System: Imperial

Number of Flutes: 2

Overall Length: 2-23/32 in

Series: 1578

Shank Diameter: 0.318 in

Square Size: 0.238 in

Tap Drill Size: #3

Thread Length: 1-1/8 in

Thread Size: 1/4-28

Thread Standard: UNF

Type: Spiral Point

Designed for use in aluminum, magnesium, and other nonferrous materials where taps of this type are most commonly used
Taps suitable for other materials can be furnished on request
STI taps are dimensionally oversize and utilize a larger tap drill size so that the thread they produce will accept a helical coil wire screw thread insert of the same nominal size and pitch
For a particular size and pitch the lower H-Limit number is suggested for class 2B and 3B threads, while the higher H-Limit is suggested for class 2B
Through hole

Through Hole Applications

ANSI Specified|PROP65: This product contains chemicals known to the State of California to cause cancer. For more information: www.P65Warnings.ca.gov|CSA Approved

Catalog

Pricing Notice

Due to evolving trade policies, product prices may be subject to change. For details, please refer to our Terms of Sale. We remain committed to offering competitive pricing and exceptional service.

Terms of Sale

Have a Question About a Product?

Our team is here to answer all your questions and provide the detailed information and support you need to make product decisions.

Dormer PrametUnion Butterfield 6006897 1578 Spiral Point STI Tap, 1/4-28 Thread, 2 Flutes, 2B/3B/H3 Class of Fit, Plug Chamfer, Right Hand Cutting, UNF Thread

Part #:724890509

MFG #:1010509

$20.65

/ EA

QTY