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Heavy Hex Bolts, All Types of Stainless Steel

Heavy Hex Bolts have larger and thicker heads than hex machine bolts and are commonly used in light construction and machinery. Heavy hex bolts with forged heads are also used as headed anchor bolts. Heavy Hex Bolts are covered under ASME B18.2.1.

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Buy Heavy Hex Bolts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
JacksonMSHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/4-8 x 4heavy h/b304 ss f593 18-8 3044
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HayesCAHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-14 x 27/16-14 x 2 hvy hex bolt 18-8ss4
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HayesCAHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-14 x 2 1/27/16-14 x 2 1/2 hvy hex bolt 18-8ss8
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HayesCAHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-14 x 47/16-14 x 4 hvy hex bolt 18-8ss4
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HayesCAHeavy Hex Bolt (B7, B8, A307B etc.)316, 317, A4 StainlessPlain3/4-10 x 2 1/43/4-10 x 2 1/4 hvy hex bolt 316ss327
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HayesCAHeavy Hex Bolt (B7, B8, A307B etc.)316, 317, A4 StainlessPlain3/4-10 x 2 3/43/4-10 x 2 3/4 hvy hex bolt 316ss5
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HayesCAHeavy Hex Bolt (B7, B8, A307B etc.)316, 317, A4 StainlessPlain1 1/8-7 x 51 1/8-7 x 5 hvy hex bolt 316ss1
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HayesCAHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/4-8 x 41 1/4-8 x 4 hvy hex bolt 18-8ss15
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HayesCAHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/2-6 x 3 1/21 1/2-6 x 3 1/2 hvy hex bolt 18-8ss1
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HayesCAHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-9 x 2 3/47/8-9 x 2 3/4 hvy hex bolt 18-8ss6
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HayesCAHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 1 1/25/8-11 x 1 1/2 hvy hex bolt 18-8ss18
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HayesCAHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 45/8-11 x 4 hvy hex bolt 18-8ss7
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HayesCAHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8 x 2 1/21-8 x 2 1/2 hvy hex bolt 18-8ss6
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 oval head bolt 18-8 ss heavy wax .870 od head .625 across flats .135 max head thickness66000
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 oval head bolt 18-8 ss heavy wax .870 od head .625 across flats .135 max head thicknessinquire
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 oval head bolt 18-8 ss heavy wax .870 od head .625 across flats .135 max head thicknessinquire
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 oval head bolt 18-8 ss heavy wax .870 od head .625 across flats .135 max head thicknessinquire
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/21/2-13 x 1-1/2 hex hd cs ss/heavy waxinquire
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 13/8-16 x 1 hex hd cs ss heavy wax-inquire
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 oval head bolt 18-8 ss heavy wax .870 od head .625 across flats .135 max head thicknessinquire
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 oval head bolt 18-8 ss heavy wax .870 od head .625 across flats .135 max head thicknessinquire
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2 1/23/8-16 x 2-1/2 hex hd cs ss ft heavy waxinquire
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2 1/23/8-16 x 2-1/2 hex hd cs ss ft heavy waxinquire
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2 1/23/8-16 x 2-1/2 hex hd cs ss ft heavy wax600
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 oval head bolt 18-8 ss heavy wax .870 od head .625 across flats .135 max head thicknessinquire
    Contact_Supplier
BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/21/2-13 x 1-1/2 hex hd cs ss/heavy waxinquire
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 13/8-16 x 1 hex hd cs ss heavy wax-inquire
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 13/8-16 x 1 hex hd cs ss heavy wax-inquire
    Contact_Supplier
BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 13/8-16 x 1 hex hd cs ss heavy wax-inquire
    Contact_Supplier
BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2 1/23/8-16 x 2-1/2 hex hd cs ss ft heavy waxinquire
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/21/2-13 x 1-1/2 hex hd cs ss/heavy waxinquire
    Contact_Supplier
BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 13/8-16 x 1 hex hd cs ss heavy wax-inquire
    Contact_Supplier
BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/21/2-13 x 1-1/2 hex hd cs ss/heavy wax1000
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Cal FastenrsCAHeavy Hex Bolt (B7, B8, A307B etc.)316, 317, A4 StainlessPlain5/8-11 x 2 1/4heavy h/b astm a193 316 s/s4
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BHAMALHeavy Hex Bolt (B7, B8, A307B etc.)316, 317, A4 StainlessPlain1/2-61 1/2-6 hvy hex nut 316ss9
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BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/21/2-13 x 1-1/2 hex hd cs ss/heavy waxinquire
    Contact_Supplier
BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 13/8-16 x 1 hex hd cs ss heavy wax-inquire
    Contact_Supplier
BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 x 25/16-18 x 2 oval head bolt 18-8 ss heavy wax .870 od head .625 across flats .135 max head thicknessinquire
    Contact_Supplier
BrikksenFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2 1/23/8-16 x 2-1/2 hex hd cs ss ft heavy waxinquire
    Contact_Supplier
FasSpcMfgFLHeavy Hex Bolt (B7, B8, A307B etc.)316, 317, A4 StainlessPlain7/16-14 x 2 1/27/16-14 x 2-1/2 heavy hex bolt 316b stainless strain hardened 1-1/4 thread2
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FasSpcMfgFLHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1 5/81/4-20 x 1-5/8 heavy hex bolt 304b stainless strain hardened head diam .487/.500 a/f head height .150/.1632
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 35/8-11 x 3 (b8) | 304 st st heavy hex hd bolt444
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 2 1/43/4-10 x 2 1/4 (b8) | 304 st st heavy hex hd bolt50
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 4 1/23/4-10 x 4 1/2 (b8) | 304 st st heavy hex hd bolt1
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 1 3/43/4-10 x 1 3/4 (b8) | 304 st st heavy hex hd bolt48
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 3 1/43/4-10 x 3 1/4 (b8) | 304 st st heavy hex hd bolt20
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-9 x 47/8-9 x 4 (b8) | 304 st st heavy hex hd bolt11
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 53/4-10 x 5 (b8) | 304 st st heavy hex hd bolt15
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 4 3/41/2-13 x 4 3/4 (b8) | 304 st st heavy hex hd bolt12
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 35/8-11 x 3 (b8) | 304 st st heavy hex hd bolt15
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/21/2-13 x 1 1/2 (b8) | 304 st st heavy hex hd bolt98
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 2 1/25/8-11 x 2 1/2 (b8) | 304 st st heavy hex hd bolt75
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 21/2-13 x 2 (b8) | 304 st st heavy hex hd bolt7
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)316, 317, A4 StainlessPlain1/2-13 x 1 1/41/2-13 x 1 1/4 (b8m) | 316 st st heavy hex hd bolt20
    Contact_Supplier
Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/41/2-13 x 2 1/4 (b8) | 304 st st heavy hex hd bolt50
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Alma BoltMIHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 31/2-13 x 3 (b8) | 304 st st heavy hex hd bolt100
    Contact_Supplier
BHAMALHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8-7 x 51 1/8-7x5 hvy hex bolt a193 b8 304 b18.2.18
    Contact_Supplier
BHAMALHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 3 1/45/8-11x3-1/4 hvy hex bolt 304 s/s dom b18.2.1118
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American WIHeavy Hex Bolt (B7, B8, A307B etc.)316, 317, A4 StainlessPlain1 1/4-7 x 31-1/4-7x3 nc hvy hex bolt #316 ss12
    Conta ct_Supplier
Fastener OHHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2heavy hex bolt 3/8-16x2 18.8 6
    Contact_Supplier
Fastener OHHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 3/4heavy hex bolt 1/2-13x1-3/4 304 s/s 3
    Contact_Supplier
BHAMALHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 3 3/45/8-11x3-3/4 hvy hex bolt 304 s/s dom b18.2.12
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SunPackFLHeavy Hex Bolt (B7, B8, A307B etc.)316, 317, A4 StainlessPlain7/8-9 x 57/8-9x5 316 ss hvy hex bolt2
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HodellOHHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 53/4-10x5 a193b8 304 18-8 304 hvy hex bolt ()16
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HodellOHHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-9 x 3 1/27/8-9x3 1/2 a193b8 304 18-8 304 hvy hex bolt60
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HodellOHHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 4 1/41/2-13x4-1/4 a193 b8 hvy hex bolt 304 ()138
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OlanderCAHeavy Hex Bolt (B7, B8, A307B etc.)316, 317, A4 StainlessPlain3/4-10 x 33/4-10 x 3-12 hvy hex hd 316 astm a1938m () ()10
    Contact_Supplier
KomarILHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/21/2-13x2 1/2 heavy hex machine bolt 18-8 ss9
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MidStatesMIHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 33/4-10 x 3 hvy hex bolt 18-811
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MidStatesMIHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 2 1/2hvy h/b a320 18-833
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SunPackFLHeavy Hex Bolt (B7, B8, A307B etc.)316, 317, A4 StainlessPlain7/8-9 x 5316 ss heavy h/b2
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QFCTXHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3/43/8-16x3/4 hvy hex bolt 18-8 s/s domestic b18.2.12
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QFCTXHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/21/2-13x1 1/2 hvy hex bolt 18-8 304 b18.2.15
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HodellOHHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-9 x 3 1/27/8-9x3 1/2 a193b8 304 18-8 304 hvy hex bolt200
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Delta SecondaryILHeavy Hex Bolt (B7, B8, A307B etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11 x 3304 heavy h/b197
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BHAMGAHeavy Hex Bolt (B7, B8, A307B etc.)316, 317, A4 StainlessPlain1 3/8 x 23 1/81 3/8x23 1/8 316 ss heavy hex bolt b18.2.1105
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