THREADING/STYLE/SPIRAL FLUTE/S108,THREADING/STYLE/STI/S108 - STI

EDP: 10800700
1/2-20 STI H4 4FX BOTT
Description
P

Steel

Low Carbon Steel : 1010; 1018
Medium Carbon Steel : 1035; 1045
High Carbon Steel : 1065

Good
Best
K

Cast Iron

Cast Iron

Good
Best
N

Non-Ferrous

Aluminum : 6061; 7075
Aluminum : Casting

Good
Best
P

Steel

Low Carbon Steel : 1010; 1018
Medium Carbon Steel : 1035; 1045
High Carbon Steel : 1065

Good
Best
K

Cast Iron

Cast Iron

Good
Best
N

Non-Ferrous

Aluminum : 6061; 7075
Aluminum : Casting

Good
Best
Description
General Purpose tap series provides exceptional value for tapping helicoil (STI) threads in a variety of ferrous and nonferrous metals.
Features & Benefits
HSS material Increased wear resistance
Inch & Metric Complete Offering
Screw thread insert capability Repair stripped threaded holes
Spiral Flute For blind hole applications
Stocked
ALTERNATIVE PRODUCT

CAN: 0 In stock

USA: 73 In stock

MOQ: 1

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Thread Size - Inch1/2
Thread TypeUNF STI
Threads Per Inch20
Thread Limith4
Chamfer TypeBottom (1.5P)
Major Diameter - Inch0.5
Thread Length - Inch (Lc)0.767
Tap Drill Size Min - Inch0.5108
Tap Drill Size Max - Inch0.5186
Neck Length - Inch (L1)1.972
Overall Length - Inch (L)3.594488
Square Length - Inch (Ik)0.5
Shank Diameter - Inch (d)0.429
Square Width - Inch (k)0.322
STI ThreadYes
SubstrateHSS
Surface TreatmentBRIGHT
Coolant ThruNo
Number of Flutes4
Cutting DirectionRH
Helix Angle - Degree50
Helix DirectionRH
Interrupted ThreadNo
View Catalog PageHere
NotesOther coatings are available upon request.

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Basic 3D Model (STP)

2D Drawing(DXF)

X