Macreadys - Products





Facilities	Products	Contact Us	Inventory

General

Reference

BS 46: Part 1: 1958
BS 4235: Part 1: 1972
BS 4235: Part 2: 1977

Form of Supply

Bright Drawn: Zinc and Chromate passivated for protection.
Lengths: 13"
Tensile Strength: 540-700 N/mm²
Small Box: approximately 1 kg in weight.
Standard Box: approximately 5 kg in weight with the exception of small sizes.

USAKEY is supplied to dimentions and tolerances stipulated in BS 46: Part 1: 1958 'Keys and keyways' for Imperial sizes and BS 4235: Part 1: 1972 'Parallel and Taper Keys' for metric sizes. All imperial bars are supplied to the chemical analysis 0.45% carbon maximum. 0.60/1.00% manganese, whilst metric bars are suppplied to 0.42/0.50% carbon, 0.50/0.80% manganese.

Tolerances
Imperial Squares		Metric Squares
-.000"		+.000mm
Up to and incl. 7/8"	+.002"	4mm, up to and incl. 6mm	-.030mm
Over 7/8" up to and incl. 1 1/4"	+.003"	Over 6mm, up to and incl. 12mm	-
Over 1 1/4"	+.004"	16mm	-.043mm
Imperial Flats
		Width (-.000")	Thickness (-.000")
Up to and incl.	3/4" x 1/2"	+.002"	+.003"
	7/8" x 5/8"	+.002"	+.004"
Over 7/8" x 5/8" up to and incl.	1 1/4" x 7/8"	+.003"	+.004"
	1 1/2" x 1"	+.004"	+.006"
Metric Flats
		Width (+.000")	Thickness (+.000")
8mm x 7mm up to and incl.	10mm x 8mm	-.036mm	-.090mm
	16mm x 10mm	-.043mm	-.090mm
	18mm x 11mm	-.043mm	-.110mm
	28mm x 16mm	-.052mm	-.110mm
	32mm x 18mm	-.062mm	-.110mm

Squares 13 ins Lengths Boxed Stock Size Range

Size (ins sq.)	1/8	3/16	1/4	5/16	3/8	7/16	1/2	9/16	5/8	3/4
No. of lengths in small box	12	10	8	7	4	4	3	2	1	1

Flats 13 ins Lengths Boxed Stock Size Range

Size (ins)	5/16 x 1/4	3/8 x 1/4	7/16 x 5/16	1/2 x 5/16	5/8 x 7/16	3/4 x 1/2	7/8 x 5/8	1 x 3/4
No. of lengths in small box	7	6	4	4	2	2	1	1

Squares Boxed Assortment No. 1 Imperial Stock Size Range

Size (ins)	1/8	3/16	1/4	5/16	3/8	7/16	1/2	5/8	3/4
No. of lengths in small box	1	1	1	1	1	1	1	-	-

Squares 13 ins Lengths Boxed Stock Size Range

Size (mm sq.)	4	5	6	8	10	12	16
No. of lengths in small box	10	8	7	5	4	3	1

Flats 13 ins Lengths Boxed Stock Size Range

Size (mm)	8 x 7	10 x 8	12 x 8	14 x 9	16 x 10	18 x 11	20 x 12	22 x 14	25 x 14
No. of lengths in small box	5	4	3	3	2	2	2	1	1
No. of lengths in standard box	32	25	19	14	12	9	7	6	5

Squares Boxed Assortment No. 1 Imperial Stock Size Range

Size (mm. sq.)	4	5	6	8	10	12	16
No. of lengths in small box	1	1	1	1	1	1	-

Sitemap