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HOLEX 138004 1/4-28 Clever Tap Blind-Hole Machine Tap UNF 1/4-28 HSS-E

Order No.

138004 1/4-28

Product Details

Description
HOLEX Clever Tap blind-hole machine tap.
Sturdy tap for conventional standard applications.
High-quality HSS-E tool material and geometry for steels.
Bronze-coloured tempered thread profile.

Product Data
Product type: Blind-hole machine tap
Series: Clever Tap
Thread type: UNF uniform fine thread
Standard: ASME B1.1
Tool material: HSS-E
Tolerance: 2B
Chamfer form: C
Right-hand helix: 40deg
Maximum thread depth: 2.5xD
Thread size: 1/4-28
Threads per inch: 28
Thread Dia.: 6.35 mm
L: 80 mm
Dia. Ds: 7 mm
Square size: 5.5 mm
Tapping hole Dia.: 5.5 mm

Cutting Data
Alu: 13
Alu cast >10% Si: 13
Steel <500 N: 12
Steel <750 N: 12
Steel <900 N: 6

Application
For UNF uniform fine threads ASME B1.1.

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