Heavy Hex Nuts

Click here to download our Heavy Hex Nut Product Information PDF

These nuts are packed with
A325 bolts in full kegs

These nuts are also available
in “2H” for use with A490 bolts

Nominal Bolt/Nut Size, Threads Per Inch, and Thread Series	A325 Bolts		A490 Bolts		A325 Nuts	A194 Grade 2H Nuts
	Proof Load¹ lb.	Tensile Strength Min² lb.	Proof Load¹ lb.	Tensile Strength Min² lb.	Proof Load³ lb.	Proof Load³ lb.
0.5 - 13 UNC	12050	17050	17050	21300	20450	24850
0.63 - 11 UNC	19200	27100	27100	33900	32550	39550
0.75 - 10 UNC	28400	40100	40100	50100	48100	58450
0.88 - 9 UNC	39250	55450	55450	69300	66550	80850
1 - 8 UNC	51500	72700	72700	90900	87250	106000
1.13 - 7 UNC	56450	80100	91550	114450	109900	133500
1.13 - 8 UN	58450	82950	94800	118500	113800	138200
1.25 - 7 UNC	71700	101700	116300	145350	139500	169600
1.25 - 8 UN	74000	105000	120000	150000	144000	175000
1.38 - 6 UNC	85450	121300	138600	173250	166300	202100
1.38 - 8 UN	91250	129500	148000	185000	177600	215800
1.5 - 6 UNC	104000	147500	168600	210750	202300	245900
1.5 - 8 UN	110400	156700	175050	223800	214800	261100

Notes:

1. Proof load of bolt is the load the bolt must support in axial tension without permanent deformation.
2. Tensile strength of bolt is the minimum load the bolt must support in axial tension without failure of the bolt.
3. Proof load of nut is the load the nut must support axially without evidence of thread stripping or rupture.