Thread Rolls for the A0 Head

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Axial Thread Rolling

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Namco has taken on two new apprentices.

This will ensure that these young persons will have the ability to produce high quality tooling.

A further trainee grinder, is now working on the thread grinding section, and is making excellent progress.

Two more apprentice engineers are planned to start soon and will receive a thorough basic training during this first year.

Thread Rolls for the A0 Head

Dimensions
Helix angle in Head = 4°	A	D1	D2	D3	D4	D5 max	L1	L2	P	?
Allowable Component Lead	inches	1.970	0.453	3/4	0.260	2.146	1.970	1.520	0.080	50°
Angle = 2° 25' - 5° 12'	mm	50	11.5	20	6.5	54.5	50	39	2	A
A
The following Thread Rolls may be ordered as standard on the A0 head
A
ISO Metric			Unified Coarse UNC					Whitworth BSW
A
Nominal Size x Pitch mm			Nominal Size x TPI					Nominal Size x TPI
M 1.4 x 0.3			No. 1 x 64					1/16 x 60
M 1.6 - M 1.8 x 0.35			No. 2 x 56					3/32 x 48
M 2.0 - M 2.3 x 0.4			No. 3 x 48					1/8 x 40
M 2.2 - M 2.6 x 0.45			No. 4 - No. 5 x 40					5/32 x 32
M 2.5 - M 3.0 x 0.5			No. 6 - No. 8 x 32					3/16 - 7/32 x 24
M 3.0 - M 3.5 x 0.6			No. 10 - No. 12 x 24
M 4.0 x 0.7
M 4.0 - M 4.5 x 0.75
M 5.0 x 0.8								Whitworth Fine BSF
M 5.0 - M 5.5 x 0.9			Unified Fine UNF
								Nominal Size x TPI
			Nominal Size x TPI					3/16 x 32
			No. 0 x 80					7/32 x 28
			No. 1 x 72
			No. 2 x 64
			No. 3 x 56
			No. 4 x 48
			No. 5 x 44
			No. 6 x 40
			No. 8 x 36
			No. 10 x 32
			No. 12 x 28

Testimonials

"The introduction of Namco axial rolling heads enabled our company to significantly reduce our spend on thread rolling dies and dramatically increased roll life.

The system was easy to install and was producing parts for an important customer within hours of being installed on our machine "

United Kingdom

We recommend NAMCO TOOLING LTD as a high quality manufacturer of precision thread rolls and chasers. NAMCO tools are manufactured in short time –with on time delivery and many rolls are stock items.
GRIP team

Namco’s coventry chasers are top quality and their stock is good. Deliveries are usually next day throughout the whole range.
Howard Lee