Turnbuckle Stub end HG-251 U.S. Federal Specification

Material: Carbon Steel / Stainless Steel
Surface: Hot Dipped Galvanized
W.L.L: From 400 lbs Tons to 34000 lbs
Size: From 1/4″x4″ to 2-3/4×24
Safety Factor: 5:1
Application: Lashing, Towing
Packing: Cartons or Gunny Bags and then on Pallets.

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TURNBUCKLE STUB END CROSBY HG-251

Turnbuckle stub ends also known as stub & stub Turnbuckles are a three piece assembly that consists of two stub end fittings and a turnbuckle body. The turnbuckle body is left hand threaded on one end and right hand threaded at the opposite end. Slack is removed from the rigging assembly and tension is adjusted by turning only the turnbuckle body, drawing both end fittings into the body simultaneously. The stub end fittings are threaded opposite.

Also stub ends turnbuckles are not intended for lifting as they are designed to take up slack and apply tension for support or suspension, or to adjust the length of rope, cable, or tie rods. U.S. Federal Specification FF-T-791B provides specifications for eight classes of turnbuckle components including untapped bodies, tapped bodies, stub/stub, eye/eye, hook/hook, eye/jaw, eye/hook, and eye/jaw. Choose from galvanized steel, die-cast, or corrosion resistant stainless steel.

STUB END TURNBUCKLE DIMENSIONS:

U.S. FEDERAL SPECIFICATION TURNBUCKLES:

Size(Diameter ×Take-Up)	Approx. Weigh Each(Ibs)					Work Load Limit(LBS)
Size(Diameter ×Take-Up)	Eyes and/or Hooks	Jaw&Eye	Jaw&Jaw	Stub End	Bodies Only	Hook& Hook, Hook&Eye	Eye&Eye,Jaw&Eye, Jaw&Jaw,Stub Eed
l／4”×4”	0.30	0.30	0.40	0.29	0.17	400	500
5/16”×41/2”	0.50	0.35	0.58	0.46	0.25	700	800
3／8”×6”	0.75	0.82	0.93	0.75	0.30	1000	1200
1／2”×6”	1.50	1.62	1.68	1.36	0.55	1500	2200
1／2”×9”	1.75	1.82	1.85	1.69	0.74	1500	2200
1/2”×l2”	2.18	2.19	2.20	2.00	0.93	1500	2200
5／8“×6”	2.63	2.59	2.82	2.15	0.91	2250	3500
5／8“×9”	3.00	3.01	3.25	2.70	1.20	2250	3500
5/8”×12”	3.25	3.50	3.75	3.22	1.50	2250	3500
3／4”×6”	3.75	4.25	4.68	3.25	1.30	3000	5200
3／4“×9”	4.50	5.00	5.38	4.00	1.70	3000	5200
3/4”×l2”	5.75	5.75	6.12	4.65	2.12	3000	5200
3/4”×18”	7.00	7.25	7.25	6.12	2.93	3000	5200
7／8”×6”	–	–	–	4.75	2.00	4000	7200
7/8”×12”	8.38	8.88	9.36	6.67	3.00	4000	7200
7/8”×l8”	10.25	10.60	11.44	8.75	4.12	–	7200
1”×6”	–	–	–	6.41	2.50	5000	10000
1”×l2”	11.25	12.00	12.88	8.90	3.86	5000	10000
1”×18”	14.00	14.75	16.10	11.70	5.50	5000	10000
1”×24”	17.00	17.75	18.60	14.30	7.00	–	10000
11/4”×6”	–	–	–	10.40	4.00	–	15200
11／4”×l2	19.00	21.20	23.60	14.20	5.93	–	15200
11/4”×18”	24.10	26.00	26.60	18.00	8.00	–	15200
11/4”×24”	25.00	28.70	31.20	21.80	10.00	–	15200
11/2”×6”	–	–	–	15.40	5.80	–	21400
11/2”×12”	27.00	31.10	35.50	20.50	8.40	–	21400
11/2”×18”	31.20	36.40	40.70	26.20	11.50	–	21400
11/2”×24”	38.20	44.20	47.60	31.40	14.10	–	21400
13/4”×6”	–	–	–	22.70	8.75	–	28000
13/4”×18”	45.00	48.80	52.40	–	–	–	28000
13/4”×24”	58.00	60.00	64.00	43.90	19.50	–	28000
2”×6”	–	–	–	31.50	12.50	–	37000
2”×24”	90.00	102.00	115.00	60.30	27.50	–	37000
21/2”×6”	-.	–	–	60.80	27.00	–	60000
21/2”×24”	183.00	180.00	200.00	110.00	54.00	–	60000
23/4”×24”	180.00	214.00	248.00	–	54.00	–	75000

Load test is 2.5 times the Working Load Limit. Breaking Load is 5 times the Working Load Limit.

Stub End Turnbuckle Use Precautions:

Used to push two objects apart
Do not use if tension o the assembly can suddenly release
Offered in corrosion resistant hot dip galvanized 1045 carbon steel or 304 stainless steel
Stub end turnbuckles are not intended for lifting
Turnbuckles are designed for straight pull, in-line applications

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