Print Template - Portland Bolt

Bolt Size	TPI	Proof Load (lbs) ¹	Clamp Load (lbs) ²	Tightening Torque (ft lbs)
Bolt Size	TPI	Proof Load (lbs) ¹	Clamp Load (lbs) ²	Galv+Waxed	Galv	Plain
¹⁄₄	20	3,350	2,513	5	13	10
⁵⁄₁₆	18	5,500	4,125	11	27	21
³⁄₈	16	8,150	6,113	19	48	38
⁷⁄₁₆	14	11,150	8,363	30	76	61
¹⁄₂	13	14,900	11,175	47	116	93
⁹⁄₁₆	12	19,100	14,325	67	168	134
⁵⁄₈	11	23,750	17,813	93	232	186
³⁄₄	10	35,050	26,288	164	411	329
⁷⁄₈	9	48,500	36,375	265	663	530
1	8	63,650	47,738	398	995	796
1¹⁄₈	7	80,100	60,075	563	1,408	1,126
1¹⁄₈	8	82,934	62,201	583	1,458	1,166
1¹⁄₄	7	101,750	76,313	795	1,987	1,590
1¹⁄₄	8	105,006	78,754	820	2,051	1,641
1³⁄₈	6	121,300	90,975	1,042	2,606	2,085
1³⁄₈	8	129,492	97,119	1,113	2,782	2,226
1¹⁄₂	6	147,550	110,663	1,383	3,458	2,767
1¹⁄₂	8	156,687	117,515	1,469	3,672	2,938
1³⁄₄	5	199,500	149,625	2,182	5,455	4,364
1³⁄₄	8	218,400	163,800	-	-	4,778
2	4¹⁄₂	262,500	196,875	3,281	8,203	6,563
2	8	290,850	218,138	-	-	7,271
2¹⁄₄	4¹⁄₂	341,250	255,938	4,799	11,997	9,598
2¹⁄₄	8	373,801	280,351	-	-	10,513
2¹⁄₂	4	420,000	315,000	6,563	16,406	13,125
2¹⁄₂	8	466,200	349,650	-	-	14,569
2³⁄₄	4	468,500	351,263	8,050	20,124	16,100
2³⁄₄	8	515,851	386,888	-	-	17,732
3	4	567,150	425,363	10,634	26,585	21,268
3	8	618,451	463,838	-	-	23,192
3¹⁄₄	4	674,500	505,875	13,701	34,252	27,402
3¹⁄₄	8	730,550	547,913	-	-	29,679
3¹⁄₂	4	791,350	593,513	17,311	43,277	34,622
3¹⁄₂	8	851,201	638,401	-	-	37,240
3³⁄₄	4	917700	688275	21,509	53,771	43,017
3³⁄₄	8	982,300	736,725	-	-	46,045
4	4	1052600	789450	26,315	65,788	52,630
4	8	1,121,950	841,463	-	-	56,098

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