Features

• Create stronger and more efficient threads.
• Simple and easy to use.
• Designed for use in material such as alloys, steel, magnesium, plastic etc.
• Simplifies changeover from inch to metric, and vice versa
• Meets all current Military and Aviation Specifications
• Interchangeable with other brands of helically wound inserts.
• Wide temperature range of up to 800°F (430°C)
• Specials available in Inconel or Phosphor Bronze
• Recoil is ISO 9001 registered.

 

UNC

Size	Part #	Insert Per Kit	Drill Size
			MM	INCH
2-56	STK2-56	10	2.30	3/32
3-48	STK3-48	10	2.70	#36
4-40	STK4-40	10	3.00	#31
5-40	STK5-40	10	3.40	#29
6-32	STK6-32	10	3.80	#25
8-32	STK8-32	10	4.40	11/64
10-24	STK10-24	10	5.10	13/64
12-24	STK12-24	10	5.80	15/64
1/4-20	STK1/4-20	10	6.7	17/64
5/16-18	STK5/16-18	10	8.30	21/64
3/8-16	STK3/8-16	10	9.90	25/64
7/16-14	STK7/16-14	5	11.50	29/64
1/2-13	STK1/2-13	5	13.00	17/32
9/16-12	STK9/16-12	5	15.00	19/32
5/8-11	STK5/8-11	10	16.50	21/32
3/4-10	STK3/4-10	10	19.80	25/32
7/8-9	STK7/8-9	5	23.00	29/32
1-8	STK1-8	5	26.00	1-1/32
1-1/8-7	STK1.1/8-7	5	29.50	1-5/32
1-1/4-7	STK1.1/4-7	5	33.00	1-9/32
1-3/8-6	STK1.3/8-6	5	36.00	1-13/32
1-1/2-6	STK1.1/2-6	4	39.00	1-17/32
Size	Part #	Insert Per Kit	Drill Size
			MM	INCH

note: The Sets include a High Speed Steel Tap, Inserts and Installation/Tang Break Off Tool.
A drill is not included but the recommended size is listed.

 

UNF

Size	Part #	Insert Per Kit	Drill Size
			MM	INCH
3-56	STK3-56	10	2.65	#37
4-48	STK4-48	10	3.00	#31
6-40	STK6-40	10	3.80	#25
8-36	STK8-36	10	4.40	#17
10-32	STK10-32	10	5.10	13/64
1/4-28	STK1/4-28	10	6.60	17/64
5/16-24	STK5/16-24	10	8.20	21/64
3/8-24	STK3/8-24	10	9.80	25/64
7/16-20	STK7/16-20	5	11.50	29/64
1/2-20	STK1/2-20	5	13.00	33/64
9/16-18	STK9/16-18	5	14.50	37/64
5/8-18	STK5/8-18	5	16.30	41/64
3/4-16	STK3/4-16	5	19.50	49/64
7/8-14	STK7/8-14	5	22.50	57/64
1-12	STK1-12	5	26.00	1-1/64
1-14	STK1-14	3	26.00	1-1/64
1-1/8-12	STK1.1/8-12	5	29.50	1-5/32
1-1/4-12	STK1.1/4-12	5	32.50	1-9/32
1-3/8-12	STK1.3/8-12	3	36.00	1-13/32
1-1/2-12	STK1.1/2-12	3	39.00	1-17/32
Size	Part #	Insert Per Kit	Drill Size
			MM	INCH

note: The Sets include a High Speed Steel Tap, Inserts and Installation/Tang Break Off Tool.
A drill is not included but the recommended size is listed.

 

NPT

Size	Part #	Insert Per Kit	Drill Size
			MM	INCH
1/8-27	STK1/8NPT	10	9.90	3/8
1/4-18	STK1/4NPT	10	13.50	33/64
3/8-18	STK3/8NPT	10	17.00	21/32
1/2-14	STK1/2NPT	5	21.50	13/16
3/4-14	STK3/4NPT	5	27.00	1-1/64
1-11-1/2	STK1NPT	5	33.50	1-9/32

note: The Sets include a High Speed Steel Tap, Inserts and Installation/Tang Break Off Tool.
A drill is not included but the recommended size is listed.

 

8 TPI UN SERIES

Size	Part #	Insert Per Kit	Drill Size
			MM	INCH
1 1/8-8	STK1.1/8-8	5	28.50	1-1/8
1 1/4-8	STK1.1/4-8	5	32.00	1-1/4
1 3/8-8	STK1.3/8-8	5	35.00	1-3/8
1 1/2-8	STK1.1/2-8	4	38.00	1-1/2
1 5/8-8	STK1.5/8-8	4	41.00	1-5/8
1 3/4-8	STK1.3/4-8	4	44.50	1-3/4
1 7/8-8	STK1.7/8-8	4	47.50	1-7/8
2-8	STK2-8	4		2

note: The Sets include a High Speed Steel Tap, Inserts and Installation/Tang Break Off Tool.
A drill is not included but the recommended size is listed.

 

SPECIAL SIZES

Size	Part #	Insert Per Kit	Drill Size
			MM	INCH
UNEF
1/4-32	STK1/4-32	10	6.60	17/64
HARLEY
1/4-24	STK1/4-24	10	6.60	17/64
7/16-16	STK7/16-16	5	11.50	29/64
CARBURETOR
7/8-20	STK7/8-20	10		7/8
1-20	STK1-20	10		1
CUMMINS-HEAD BOLT
11/16-16	STK11/16-16	10	18.00	45/64

note: The Sets include a High Speed Steel Tap, Inserts and Installation/Tang Break Off Tool.
A drill is not included but the recommended size is listed.

 

RANGE KITS

Parts #	Includes
STKS33004	UNC 1/4,5/16,3/8,7/16,1/2
STKS34004	UNF 1/4,5/16,3/8,7/16,1/2
STKS36000	NPT 1/8,1/4,3/8,1/2

Range kits include high speed steel Taps, Inserts and Installation/Tang Break Off Tools

 

Back to Top of Page

link to Metric Threads Forms

link to British Threads Forms

link to Recoil Screw Thread Inserts

Newman Tools Inc.
185 Iber Road
Stittsville, Ottawa, Ontario, Canada K2S 1E7
Phone: 1-613-836- 6776 or 1-800-465-1384
Fax: 1-613 -836 -9070 or 1-800-605-2442

 

 

Newman Tools Inc.
151 New Park Avenue
Hartford, CT 06106, USA
Phone: 1-800-465-1384
Fax: 1-800-605-2442

Email:     info@newmantools.com

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