Green Bay Drop Forge

566 Standard Plain Pattern

No.	A	B	C	D	*Min. Proof Load**	*Min. Break Load**	UNC-2A Stocked	Min. Eff. Thd. Lg.	Safe Working Load WxWyWz
3	.375	2.062	1.000	1.656	2,100	5,000	Blank 3/8-16	1.109	1,000	280	155
5	.500	2.531	1.187	2.062	3,900	9,200	Blank 1/2-13	1.343	1,840	520	390
7	.625	2.968	1.375	2.5	6,000	14,700	Blank 5/8-11	1.500	2,940	800	600
8	.750	3.406	1.500	2.812	9,000	21,700	Blank 3/4-10	1.625	4,340	1,200	900
9	.875	3.875	1.687	3.250	10,000	30,000	Blank 7/8-9	1.875	6,000	1,300	1,000
10	1.000	4.281	1.812	3.562	12,000	39,400	Blank 1-8	2.062	7,880	1,600	1,200
* loads in pounds odd size Eye Bolts, metric, stainless and alloy are available upon request

567 Standard Shoulder Pattern

No.	A	B	C	D	E	*Min. Proof Load**	*Min. Break Load**	UNC-2A Stocked	Min. Eff. Thd. Lg.	Safe Working Load WxWyWz
21	.250	1.000	.750	1.187	.781	600	2,000	Blank 1/4-20	.875	400	100	N/R
22	.312	1.125	.875	1.437	.968	900	4,500	Blank 5/16-18	.750	680	N/R	N/R
23	.375	1.250	1.000	1.656	1.187	2,100	5,000	Blank 3/8-16	1.125	1,000	350	180
25	.500	1.500	1.187	2.062	1.406	3,900	9,200	Blank 1/2-13	1.343	1,840	650	440
27	.625	1.750	1.375	2.500	1.687	6,000	14,700	Blank 5/8-11	1.875	2,940	1,000	740
28	.750	2.000	1.500	2.812	1.812	9,000	21,700	Blank 3/4-10	1.625	4,340	1,500	1,140
29	.875	2.250	1.687	3.250	2.062	10,000	30,000	Blank 7/8-9	1.812	6,000	1,670	1,330
30	1.000	2.500	1.812	3.562	2.312	12,000	39,400	Blank 1-8	2.062	7,880	2,000	1,600
32	1.250	3.000	2.187	4.437	2.937	15,000	75,000	Blank 1-1/4-7	1.880	12,600	N/R	3,690
34	1.500	3.500	2.562	5.500	3.156	27,000	91,300	Blank 1-1/2-6	3,000	18,000	4,500	3,600
36	2.000	4.000	3.250	6.875	4.500	38,000	190,000	Blank 2-4 1/2	3.000	32,500	N/R	9,740
* loads in pounds odd size Eye Bolts, metric, stainless and alloy are available upon request>

2439 1/2 Series

Cleveland Part No.	Thread UNC-2A	A	B	C +.03 .00	D +.03 .00	E +.03 .00	SPH.R	Thread Length
+2439 1/2-A	3/8-16	3.500	1.187	.375	.375	.437	.187	1.250
+2439 1/2-H	5/16-18	3.000	1.031	.312	.312	.406	.156	1.250
+2439 1/2-J	Blank Only	5.125	1.875	.437	.500	1.000	.250
material: C1029-C1035 + Not Stocked, priced on application.

572-E Eye Bolt
	P/N 572-E, Eye Bolt: Material C-1029 - C1035 Heat Treated to 149-170 Brinnel Mechanical Properties: Grain size 5 or finer Tensile 65,000 to 80,000 PSI Yield 30,000 PSI min. Elongation 30% min. Available machined only General Forge Tolerances +.031 -.016

580-4 Eye Nut
	P/N 580-4, Eye Nut Made from C1018 - C1030 Available with the following threads: 3/8-16 UNC 2B 3/8-24 UNF 2B 7/16-14 UNC 2B 7/16-20 UNF 2B 1/2-13 UNC 2B General Forge Tolerances +/- .031 Not Stocked, priced on application.

To Fastener Quality Act Specifications/Standards

Green Bay Drop Forge
1341 South State Street
Green Bay, WI 54307
(800)824-4896
(920)432-6401
(920)432-0859(Fax)

Cleveland Hardware
3270 East 79th Street
Cleveland, OH 44104
(800)321-1874
(216)641-5200
(216)641-0829(Fax)

Fox Valley Forge
138 Pierce Street
Aurora, IL 60505

(630)897-8616
(630)897-8635(Fax)