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UNC HSS 5% Cobalt Spiral Flute INOX Machine Tap for Stainless Steel - TB904 Series (YG-1)

(TB904) Performance

Starting at £11.59 £9.66

The YG-1 TB904 series UNC HSS 5% Cobalt INOX combo taps are for high performance tapping on Stainless Steel (also suitable for Soft Steels, Structural Steel & Titanium/Nickel Alloys). These come with a patented design to prevent overfeeding and premature tap failure. They also have a VAP surface treatment to reduce friction and a spiral flute geometry for blind holes.
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Soft Steels Up To 400
Soft Steels Up To 700
Carbon Up To 850
Alloy Up To 850
Pre Hardened Steel Up To 1200
Hardened Steel Over 1200
Free Machining Stainless Steel Up To 850
Austenitic Stainless Steel Up To 850
Fer-Marten Stainless Steel Up To 1000
Grey Cast Iron Up To 500
Grey Cast Iron Up To 1000
Malleable Cast Iron Up To 700
Malleable Cast Iron Up To 1000
Titanium Up To 700
Titanium Alloy Up To 900
Titanium Alloy Up To 1300
Nickel Up To 500
Nickel Alloy Up To 900
Nickel Alloy Up To 1400
Copper Up To 350
Copper Alloy Short
Copper Alloy Long
Cu-Al-Fe
Al-Mg
Wrought Aluminium
Low Silicone Aluminium
High Silicone Aluminium
Thermo Plastics
Thermoset Plastics
CFRP-GFRP
Excellent Good
ØD1 (Diameter) PG Pitch TPI L1 (Flute Length) L2 (Overall Length) L3 ØD2 No. Of Flutes K (Square) Drill Dia Stock Price (ex VAT) Qty Action
No.10 24 10 70 25 6 3 4.9 3.9
In Stock
£11.59 £9.66

ØD1 (Diameter) No.10
TPI 24
L1 (Flute Length) 10
L2 (Overall Length) 70
L3 25
ØD2 6
No. Of Flutes 3
K (Square) 4.9
Drill Dia 3.9
- +
TB904322
More Information
No.12 24 10 80 30 6 3 4.9 4.5
Approx. 3 days. Subject to availability
£11.59 £9.66

ØD1 (Diameter) No.12
TPI 24
L1 (Flute Length) 10
L2 (Overall Length) 80
L3 30
ØD2 6
No. Of Flutes 3
K (Square) 4.9
Drill Dia 4.5
- +
TB904362
More Information
1/4" 20 13 80 30 7 3 5.5 5.2
In Stock
£11.59 £9.66

ØD1 (Diameter) 1/4"
TPI 20
L1 (Flute Length) 13
L2 (Overall Length) 80
L3 30
ØD2 7
No. Of Flutes 3
K (Square) 5.5
Drill Dia 5.2
- +
TB904402
More Information
5/16" 18 14 90 35 8 3 6.2 6.6
In Stock
£15.08 £12.57

ØD1 (Diameter) 5/16"
TPI 18
L1 (Flute Length) 14
L2 (Overall Length) 90
L3 35
ØD2 8
No. Of Flutes 3
K (Square) 6.2
Drill Dia 6.6
- +
TB904442
More Information
3/8" 16 16 100 39 9 3 7 8
In Stock
£18.13 £15.11

ØD1 (Diameter) 3/8"
TPI 16
L1 (Flute Length) 16
L2 (Overall Length) 100
L3 39
ØD2 9
No. Of Flutes 3
K (Square) 7
Drill Dia 8
- +
TB904482
More Information
7/16" 14 17 100 40 8 3 6.2 9.4
Approx. 3 days. Subject to availability
£24.30 £20.25

ØD1 (Diameter) 7/16"
TPI 14
L1 (Flute Length) 17
L2 (Overall Length) 100
L3 40
ØD2 8
No. Of Flutes 3
K (Square) 6.2
Drill Dia 9.4
- +
TB904522
More Information
1/2" 13 20 110 44 9 3 7 10.75
Approx. 3 days. Subject to availability
£24.30 £20.25

ØD1 (Diameter) 1/2"
TPI 13
L1 (Flute Length) 20
L2 (Overall Length) 110
L3 44
ØD2 9
No. Of Flutes 3
K (Square) 7
Drill Dia 10.75
- +
TB904562
More Information
9/16" 12 20 110 44 11 3 9 12.25
In Stock
£32.62 £27.18

ØD1 (Diameter) 9/16"
TPI 12
L1 (Flute Length) 20
L2 (Overall Length) 110
L3 44
ØD2 11
No. Of Flutes 3
K (Square) 9
Drill Dia 12.25
- +
TB904602
More Information
5/8" 11 22 110 44 12 3 9 13.5
In Stock
£37.04 £30.87

ØD1 (Diameter) 5/8"
TPI 11
L1 (Flute Length) 22
L2 (Overall Length) 110
L3 44
ØD2 12
No. Of Flutes 3
K (Square) 9
Drill Dia 13.5
- +
TB904642
More Information
3/4" 10 25 125 50 14 4 11 16.5
In Stock
£65.18 £54.32

ØD1 (Diameter) 3/4"
TPI 10
L1 (Flute Length) 25
L2 (Overall Length) 125
L3 50
ØD2 14
No. Of Flutes 4
K (Square) 11
Drill Dia 16.5
- +
TB904702
More Information
7/8" 9 27 140 54 18 4 14.5 19.5
In Stock
£80.77 £67.31

ØD1 (Diameter) 7/8"
TPI 9
L1 (Flute Length) 27
L2 (Overall Length) 140
L3 54
ØD2 18
No. Of Flutes 4
K (Square) 14.5
Drill Dia 19.5
- +
TB904742
More Information
Features & Benefits
  • UNC Machine Tap for Stainless Steel
  • HSS 5% Cobalt Substrate
  • Spiral Flute for Blind Holes
  • VAP surface treatment reduces friction
  • For High Performance Tapping of Stainless Steel (also suitable for Soft Steel, Structural Steel & Titanium/Nickel Alloys)
  • Excellent for stickier materials such as 316 stainless or soft steels
Specification
Specification
Substrate Description HSS 5% Cobalt
Helix Angle 60°
Max Depth 2.5xD
Coating Description VAP finish
Tolerance 2B
Oil Grooves No
Performance 3
Through Coolant No
Product Range Stainless Steel (INOX) Machine Taps
Substrate HSS
Applicable Materials Exotics, Stainless Steel, Steel
Hole Type Blind Hole
Brand YG-1
Surface Treatment Uncoated
Thread Form UNC (Unified Coarse)
Cutwel Sku TB904
Product Questions
Downloads & Cutting Data
Downloads
Videos