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Scheduled Maintenance Notice: This site will be unavailable due to scheduled maintenance from 9:00 24/11/2024 to 7:00 (SGT) 25/11/2024. We apologize for the inconvenience.
Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

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Screw-Hole-Related Tools（Screw size (Nominal)：3/8UN）

Threading tools have functions to cut threads in accordance with the required thread types and sizes, or to conduct plastic forming. Commonly-used tool type is formed tools called taps. They are used in many different ways; for example, handles are attached to them for manual machining, or for large-lot production, they are mounted to machine tools called tool holders or NC machine tool. High-speed steel is most commonly employed for these tools, and alloy carbide (coated alloy carbide is mainly applied) is also increasingly employed for its durability. When threading with taps, the thinner taps are, the more likely they break. As cutting chips solidify with heat, or the tap end makes contact with the bottom of pilot hole, there is more possibility the tap is damaged. Additionally, when using a coil insert, a dedicated tap needs to be used rather than a regular tap.

Search by specifying the lower class category

8 items

: 30; 45; 60

Days to Ship	All Same day 2 Day(s) or Less 3 Day(s) or Less 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less 8 Day(s) or Less 9 Day(s) or Less 10 Day(s) or Less

Pointed Tap Series, General Purpose EX-POT

OSG

For general use, ideal with carbon steel, alloy steel, and non-ferrous metals for cutting materials where the metal waste forms a continuous coil. Chips are reliably pushed forward so that they don't get in the way

Standard Price:	SGD 24.86
Days to Ship:	4 Day(s) or more

Spiral Tap for Stainless Steels_EX-SUS-SFT

OSG

Suitable for blind holes for stainless steel, heat resistant steel, nickel chromium manganese steel, etc. Well suited for materials such as carbon steel, alloy steel, etc.

Standard Price:	SGD 27.89
Days to Ship:	4 Day(s) or more

On Sale Till 31/03/2025

Spiral Tap for General Application_EX-SFT

OSG

Used for drilling blind holes. For carbon steel, steel alloy, and nonferrous metal, this is suitable for cutting materials where the metal waste forms a continuous coil.

Standard Price:	SGD 25.55
	Special Price
Days to Ship:	4 Day(s) or more

Threading Round Die Series Pipe General Threading Round Die RD-S

OSG

[Specifications]
· Shape: Die
· Coating: Non-Coated
· Tool material: Alloy HSS (SKS)

Standard Price:	SGD 105.14-
Days to Ship:	3 Day(s)

Hand Tap for General Use Long Shank EX-LT

OSG

Long shank type.
Tool Material: Vanadium high-speed steel
Work material: general steel / cast iron / aluminum / copper

Standard Price:	SGD 50.65
Days to Ship:	6 Day(s) or more

Hexagonal Re-Threading Die (Unify Coarse Screw)

TRUSCO NAKAYAMA

Used when cleaning out bolts/screws. Work can be done using a monkey wrench. This product can be used in place of a round die when modifying the screw thread ridges. For fixing UNC (Unified Coarse) thread.

Standard Price:	SGD 38.10
Days to Ship:	9 Day(s)

Hexagonal Re-Threading Die (Unify Fine Screw)

TRUSCO NAKAYAMA

Used when cleaning out bolts/screws. Work can be done using a monkey wrench. This product can be used in place of a round die when modifying the screw thread ridges. For fixing UNF (Unified Fine) thread.

Standard Price:	SGD 38.10
Days to Ship:	9 Day(s)

Pointed Tap for Stainless Steel EX-SUS-POT

OSG

With excellent sharpness and durability, it is used for stainless steel through holes where poor machinability is a problem. Besides stainless steel, it is also suitable for various heat resistant steels and strong nickel chrome manganese steel.

Standard Price:	SGD 27.47
Days to Ship:	4 Day(s) or more


Brand
Product Series
Days to Ship
Screw size (Nominal)
Screw Types
work material
Pitch (P), Number of Threading(mm)
Tool Material Type
Tap Type
Hole type
Chamfer threads (Lcf)
Coating Type
Coating Y/N
Overall Length (L)(mm)

			On Sale Till 31/03/2025
Brand	OSG	OSG	OSG	OSG	OSG	TRUSCO NAKAYAMA	TRUSCO NAKAYAMA	OSG
Product Series	Pointed Tap Series, General Purpose EX-POT	Spiral Tap for Stainless Steels_EX-SUS-SFT	Spiral Tap for General Application_EX-SFT	Threading Round Die Series Pipe General Threading Round Die RD-S	Hand Tap for General Use Long Shank EX-LT	Hexagonal Re-Threading Die (Unify Coarse Screw)	Hexagonal Re-Threading Die (Unify Fine Screw)	Pointed Tap for Stainless Steel EX-SUS-POT
Days to Ship	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	3 Day(s)	6 Day(s) or more	9 Day(s)	9 Day(s)	4 Day(s) or more
Screw size (Nominal)	3/8UN	3/8UN	3/8UN	3/8UN	3/8UN	3/8UN	3/8UN	3/8UN
Screw Types	unified	unified	unified	unified	unified	-	-	unified
work material	Medium carbon steel (carbon content 0.25 to 0.45%)[○] / High Carbon Steel (C with a content over 0.45%)[○] / Alloy Steel (SCM)[○] / Cast Iron (FC)[○] / Ductile Cast Iron (FCD)[○] / Copper (Cu)[○] / Brass (Bs)[○] / Brass cast iron (BsC)[○] / Bronze (Pb)[○] / Aluminum Rolled Material (AL)[◎] / Aluminum Alloy Casting (AC, ADC)[○] / Magnesium Alloy (MC)[○] / Zinc Alloy Casting (ZDC)[○] / Thermoplastic plastic (vinyl chloride, nylon, etc.)[○]	Stainless steel (SUS)[◎] / Copper (Cu)[◎] / Thermoplastic plastic (vinyl chloride, nylon, etc.)[◎]	Medium carbon steel (carbon content 0.25 to 0.45%)[○] / Alloy Steel (SCM)[○] / Ductile Cast Iron (FCD)[○] / Copper (Cu)[○] / Brass (Bs)[○] / Brass cast iron (BsC)[○] / Bronze (Pb)[○] / Aluminum Rolled Material (AL)[○] / Aluminum Alloy Casting (AC, ADC)[○] / Magnesium Alloy (MC)[○] / Zinc Alloy Casting (ZDC)[○] / Thermoplastic plastic (vinyl chloride, nylon, etc.)[○]	-	Medium carbon steel (carbon content 0.25 to 0.45%)[○] / Alloy Steel (SCM)[○] / Steel casting (SC)[○] / Ductile Cast Iron (FCD)[○] / Brass (Bs)[○] / Brass cast iron (BsC)[○] / Bronze (Pb)[○] / Aluminum Rolled Material (AL)[○] / Aluminum Alloy Casting (AC, ADC)[○] / Magnesium Alloy (MC)[○] / Zinc Alloy Casting (ZDC)[○]	Low-Carbon Steel (carbon alloy less than 0.25%)[○]	Low-Carbon Steel (carbon alloy less than 0.25%)[○]	Stainless steel (SUS)[◎] / Copper (Cu)[◎] / Thermoplastic plastic (vinyl chloride, nylon, etc.)[◎]
Pitch (P), Number of Threading(mm)	16 ～ 24	16 ～ 24	16 ～ 24	16 ～ 32	16	16	24	16 ～ 24
Tool Material Type	Vanadium High-Speed Steel	Vanadium High-Speed Steel	Vanadium High-Speed Steel	Alloy HSS	Vanadium High-Speed Steel	Alloy HSS	Alloy HSS	Vanadium High-Speed Steel
Tap Type	Point tap	Spiral Tap	Spiral Tap	Die	Hand Tap	Die	Die	Point tap
Hole type	For through hole	For blind hole	For blind hole	-	For through hole / For blind hole	-	-	For through hole
Chamfer threads (Lcf)	5P	2.5P	2.5P	-	5P	-	-	4P
Coating Type	Non-Coated	Non-Coated	Non-Coated	Non-Coated	Non-Coated	-	-	Non-Coated
Coating Y/N	NA	NA	NA	NA	NA	-	-	NA
Overall Length (L)(mm)	75	75	75	-	150	-	-	75

Configure

Specification/Dimensions

Screw size (Nominal)
CTG-54

CTG-42

CTG-36

CTG-28

CTG-22

CTG-16

No.0

No.0UN

NO.0-80UNF

No.10

No.1

No.1UN

No.10UN

S0.1

NO.1-72UNF

NO.1-64UNC

NO.10-32UNF

No.10-32UNF

NO.10-24UNC

No.10-24UNC

No.12

No.12UN

NO.12-28UNF

No.12-28UNF

NO.12-24UNC

No.12-24UNC

No.2

No.2UN

S0.2

NO.2-64UNF

No.2-64UNF

NO.2-56UNC

No.2-56UNC

No.3

No.3UN

S0.3

NO.3-56UNF

No.3-56UNF

NO.3-48UNC

No.3-48UNC

No.4

No.4UN

S0.4

NO.4-48UNF

No.4-48UNF

NO.4-40UNC

No.4-40UNC

No.5

No.5UN

S0.5

NO.5-44UNF

No.5-44UNF

NO.5-40UNC

No.5-40UNC

0.6

No.6

No.6UN

S0.6

NO.6-40UNF

No.6-32UNC

0.7

S0.7

0.8

No.8

No.8UN

S0.8

NO.8-36UNF

No.8-36UNF

NO.8-32UNC

No.8-32UNC

0.9

S0.9

1

1UN

1UNS

G1

M1

NPS1

NPT1

NPTF1

PF1

PF 1

PS 1

PT 1

R1

Rp1

S1

UNC1

UNF1

W1

1'-11.5

1'-11

1-8UNC

1 1/2

1"1/2UN

G1"1/2

NPS1"1/2

NPT1"1/2

PS 1 1/2

PT 1 1/2

R1"1/2

Rp1"1/2

W1"1/2

1'1/2-11.5

1'1/2-11

1 1/2-8UN

1 1/4

1"1/4UN

G1"1/4

NPS1"1/4

NPT1"1/4

PS 1 1/4

PT 1 1/4

R1"1/4

Rp1"1/4

W1"1/4

1'1/4-11.5

1'1/4-11

1 1/4-8UN

1 1/8

1"1/8UN

G1"1/8

R1"1/8

W1"1/8

1'1/8-11

1 1/8-8UN

1"1/16UN

1/2

1/2UN

G1/2

NPS1/2

NPT1/2

NPTF1/2

PF 1/2

PS 1/2

PT 1/2

R1/2

Rc1/2

Rp1/2

UNC1/2

UNF1/2

W1/2

1/2-20UNF

1/2-14

1/2-13UNC

1/2W12

1 3/4

1"3/4UN

G1"3/4

R1"3/4

Rp1"3/4

W1"3/4

1'3/4-11

1 3/4-8UN

1 3/8

1"3/8UN

G1"3/8

R1"3/8

W1"3/8

1 3/8-8UN

1/4

1/4UN

G1/4

NPS1/4

NPT1/4

NPTF1/4

PF1/4

PF 1/4

PT 1/4

R1/4

Rc1/4

Rp1/4

SM1/4

UNC1/4

UNF1/4

W1/4

1/4-28UNF

1/4-20UNC

1/4-19

1/4-18

1/4W20

1 5/8

W1"5/8

1 5/8-8UN

M1 to 6

M1～6

W1"7/8

1 7/8-8UN

1 7/16

1 8

1'W8

1/8

G1/8

NPS1/8

NPT1/8

NPTF1/8

PF1/8

PF 1/8

PS 1/8

PT 1/8

R1/8

Rc1/8

Rp1/8

SM1/8

W1/8

1/8-28

1/8-27

1/8-18

1 9/16

M1 to 10

1'11.5

1 12

1 14

1/16

G1/16

NPS1/16

NPT1/16

R1/16

Rp1/16

1/16-28

1/16-27

1 20

M1.1

M1.2

S1.2

1.25

1.29

1.37

M1.4

S1.4

1.45

1.5

M1.6

M1.7

M1.8

2

2UN

G2

M2

M2.0

NPS2

NPT2

PT 2

R2

Rp2

W2

2'-11.5

2'-11

2-8UN

2 1/2

G2"1/2

R2"1/2

Rp2"1/2

2'1/2-11

2'1/2-8

W2"1/4

2'1/4-11

2 4.5

M2 to 4.5

M2～10

2 12

M2.2

M2.3

M2.5

M2.6

3

3M

G3

M3

M3.0

R3

Rp3

STI M3

3'-11

3'-8

3 1/2

G3"1/2

R3"1/2

Rp3"1/2

3'1/2-11

3/4

3/4UN

G3/4

NPS3/4

NPT3/4

NPTF3/4

PF 3/4

PS 3/4

PT 3/4

R3/4

Rp3/4

UNC3/4

UNF3/4

W3/4

3/4-16UNF

3/4-14

3/4-10UNC

3/4W10

3/8

3/8UN

G3/8

M3～8

NPS3/8

NPT3/8

NPTF3/8

PF3/8

PF 3/8

PT 3/8

R3/8

Rc3/8

Rp3/8

UNC3/8

UNF3/8

W3/8

3/8-24UNF

3/8-19

3/8-18

3/8-16UNC

3/8W16

M3 to 10

3/16

SM3/16

W3/16

3/32

SM3/32

3.5

M3.5

M3.5

4

4M

G4

M4

M4.0

R4

Rp4

STI M4

4'-11

M4 to 13

M4.5

M4.5

5

5M

M5

M5.0

M5

STI M5

5/1

5/8

5/8UN

G5/8

NPS5/8

R5/8

UNC5/8

UNF5/8

W5/8

5/8-18UNF

5/8-14

5/8-11UNC

5/8W11

M5 to 13

5/16

5/16UN

UNC5/16

UNF5/16

W5/16

5/16-24UNF

5/16-18UNC

5/16W18

5/32

W5/32

5/64

5.5M

M5.5

M5.5

6

M6

M6.0

STI M6

No6-40UNF

M6 to 20

M7

M7

PG7

7/8

7/8UN

G7/8

NPS7/8

R7/8

UNC7/8

UNF7/8

W7/8

7/8-14

7/8-14UNF

7/8-9UNC

7/8W9

7/16

7/16UN

UNC7/16

UNF7/16

W7/16

7/16-20UNF

7/16-14UNC

7/16W14

7/32

SM7/32

7.5

8

M8

STI M8

9

M9

M9

PG9

9/16

9/16UN

UNF9/16

W9/16

9/16-18UNF

9/16-12UNC

SM9/32

9/64

SM9/64

10

M10

M10

STI M10

Tr 10

M10 to 13

M10 to 25

11

M11

M11

PG11

11/16

SM11/32

11/64

SM11/64

12

M12

M12

STI M12

Tr 12

13

M13

PG13.5

M14

M14

Tr 14

15

M15

15/64

SM15/64

16

M16

M16

PG16

Tr 16

17

M17

M18

M18

Tr 18

19

M19

M19 to 32

M19 to 38

20

M20

M20

Tr 20

M21

PG21

22

M22

M22

M22X

Tr 22

M23

M24

M24

M24X

Tr 24

25

M25

M25X

Tr 25

M25 to 50

M25 to 70

M26

Tr 26

M27

28

M28

Tr 28

PG29

M30

Tr 30

31

31/32

M32

M33

M34

M35

36

M36

PG36

M37

M38

39

M39

M40

42

M42

PG42

M44

M45

M46

M48

M50

M52

M56

1015

1020N100M

1020N150M

06510X28R

10154

12204

12254N100M

12254N150M

12254N200M

16304N100M

16304N150M

16304N200M

16304N250M

20305

20505N100M

20505N150M

20505N200M

20505N300M

20505N350M

25506N100M

25506N150M

25506N200M

25506N300M

25506N350M

32506

32506N150M

32506N200M

32506N300M

035083N075M

035083N080M

040123N100M

060163N050M

060163N100M

060163N125M

065103X28G

075203N125M

075203N150M

080153X19G

080153X19R

080203N050M

080203N100M

090244N125M

090244N175M

100254N050M

100254N100M

100254N150M

100254N200M

120204X14G

120204X14R

120304N100M

120304N150M

120304N200M

160264X11G

160264X11R

160404N150M

160404N200M

160404N250M

200305X11G

200305X11R

200505N150M

200505N200M

200505N300M
Clear

Screw Types
- Meter
- unified
- Whitworth
- Sewing Machine
- Taper for Pipe
- Parallel for Pipes
- Trapezoid
- Miniature
- Other
Clear

work material
- Low-Carbon Steel (carbon alloy less than 0.25%)
- Medium carbon steel (carbon content 0.25 to 0.45%)
- High Carbon Steel (C with a content over 0.45%)
- Alloy Steel (SCM)
- Stainless steel (SUS)
- Quenched and tempered steel (25 to 35 HRC)
- Quenched and tempered steel (35 to 45 HRC)
- Quenched and tempered steel (45 to 55 HRC)
- High Hardness Steel (50-60 HRC)
- Tool Steel (Before SKD Hardening)
- Steel casting (SC)
- Cast Iron (FC)
- Ductile Cast Iron (FCD)
- Copper (Cu)
- Brass (Bs)
- Brass cast iron (BsC)
- Bronze (Pb)
- Aluminum Rolled Material (AL)
- Aluminum Alloy Casting (AC, ADC)
- Magnesium Alloy (MC)
- Zinc Alloy Casting (ZDC)
- Titanium Alloy (Ti-6Al-4V, etc)
- Nickel-based alloy (Inconel, etc.)
- Thermosetting plastic (bakelite, phenol, etc.)
- Thermoplastic plastic (vinyl chloride, nylon, etc.)
Clear

Pitch (P), Number of Threading(mm)
.02

0.025

0.05

0.08

0.1

0.125

0.15

0.175

0.2

0.225

0.25

0.3

0.35

0.4

0.45

0.5

0.6

0.63

0.7

0.75

0.75、1.00、1.25、1.50、1.75、2.00、2.50、3.00

0.79

0.8

0.9

1

1.25

1.5

1.75

2

2.5

3

3.5

4

4.5

5

5.5

6

7

8

9

10

10、11、12、14、16、18、20、24F

11

11 1/2

11.5

12

13

14

16

18

19

20

24

26

27

28

30

32

36

40

44

48

56

64

72

80

100

150
Clear

Tool Material Type
- High-speed steel
- Cobalt HSS
- Powder high-speed steel
- Carbide
- Alloy HSS
- Vanadium High-Speed Steel
- SKS
Details

Clear

Tap Type
- Spiral Tap
- Point tap
- Roll tap
- Hand Tap
- Tap for pipes
- Thread cutter
- Thread-cutting-related tool
- Die
- Tap wrench
- Modification/removal Tool
- Oil Hole Tap
Clear

Hole type
- For through hole
- For blind hole
Clear

Chamfer threads (Lcf)
1P

1.5P

2P

2.5

2.5P

3P

3.5P

4P

4.5P

5

5P

5.5P

6P

7P

8P

9P

10P

11P

12P

13P

14P

16P

18P

20P

22P

22.5P

23P

24P

24.5P

25P

26P

27P

28P

29P

30P

31P
Drawing

Clear

Coating Type
- For High Hardness (Silicon Group)
- TiAlN
- TiCN
- TiN
- DLC
- CrN
- Non-Coated
- Nitriding Treatment
- Other
Details

Clear

Coating Y/N
- Available
- NA
Clear

Overall Length (L)(mm)
30

32

34

36

39

40

41.5

42

44

45

46

48

49

50

51

52

54

55

57

58

59

59.5

60

61

61.5

62

64

65

67

68

69

70

70/70/70

72

73

74

75

76

78

79

80

82

84

85

85 x 60

86

87

88

89

90

91

92

95

96

99

100

102

103

105

108

109

110

111

114

115

119

120

121

122

125

127

130

135

136

140

145

150

155

160

163

165

170

175

180

185

190

195

200

205

210

220

225

230

240

250

255

260

270

280

290

300

310

315

350

390

460

500

525

590

780

890

900

1000

1250
Drawing

Clear

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Screw-Hole-Related Tools（Screw size (Nominal)：3/8UN）

Search by specifying the lower class category

Configure

Specification/Dimensions

Screw size (Nominal)

Screw Types

work material

Pitch (P), Number of Threading(mm)

Tool Material Type

Tap Type

Hole type

Chamfer threads (Lcf)

Coating Type

Coating Y/N

Overall Length (L)(mm)

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