1.Uses: Mainly used for fixing ship decks 2.Material:Q195 or 235 3.Surface treatments:Countersunk,tower cap rose head,Diamond Point,square smooth shank 4.Surface treatment：Galvanized,Polished,Mechanical galvanized,Hot dip galvanized 5.Length:1/2″-10″,BWG4-20 for all kinds of round Nails. 6.Conventional packing: small plastic bag and small box of 1kg,2.5kg,3kg,5kg In cartonor bag of 25kgs/20kgs/50lbs 7.Loading qty 22-28tons/Shipping container Galvanized tower cap square boat nails (BWG8X4” 4.2X101.6MM) are mainly used for fixing ship decks.They have Countersunk,tower cap, rose head,Diamond Point,square smooth shank.Q235 low carbon steel is used as raw material. This nail is Galvanized.According to customer needs can also do polished, mechanical galvanizing, hot dip galvanizing and other surface treatment.It also supports custom packaging, such as boxes, plastic bags and cartons.Please contact us if necessary. BWG or weight table

Size		Length(mm)	Diameter(mm)	KG/1000PCS	PCS/1KG
Inch	BWG
3/8	20	9.52	0.89	0.046	21730
1/2	19	12.7	1.07	0.088	11360
5/8	18	15.87	1.25	0.152	6580
3/4	17	19.05	1.47	0.25	4000
1	16	25.4	1.65	0.42	2380
1-1/4	15	31.75	1.83	0.65	1540
1-1/2	14	38.1	2.11	1.03	971
1-3/4	13	44.45	2.41	1.57	637
2	12	50.8	2.77	2.37	422
2-1/2	11	63.5	3.05	3.58	279
3	10	76.2	3.4	5.35	187
3-1/2	9	88.9	3.76	7.65	131
4	8	101.66	4.19	10.82	92.4
4-1/2	7	114.3	4.57	14.49	69
5	6	127	5.16	20.53	48.7
6	5	152.4	5.59	28.93	34.5
7	4	177.8	6.05	40.32	24.8

Length – diameter table

Length		gauge
inches	mm	B.W.G
3/8	9.525	19/20/
1/2	12.700	20/19/18
5/8	15.875	19/18/17
3/4	19.050	19/18/17
7/8	22.225	18/17
1	25.400	17/16/15/14/
1-1/4	31.749	16/15/14/
1-1/2	38.099	15/14/13
1-3/4	44.440	14/13/
2	50.800	14/13/12/11/10
2-1/2	63.499	13/12/11/10
3	76.200	12/11/10/9/8
3-1/2	88.900	11/10/9/8/7
4	101.600	9/8/7/6/5
4-1/2	114.300	7/6/5
5	127.000	6/5/4
6	152.400	6/5
7	177.800	5/4