| Optimas | IL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 5/8 | 5/16-18 x 5/8 asme b18.2.1 hex cap screw gr 5 zinc triv rohs pack of 100 | 469 | |
| Optimas | IL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20x5/8 asme b18.2.1 hex cap screw grade 5 rohs pack of 100 | 1404 | |
| Optimas | IL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20 x 5/8 asme b18.2.1 hex cap screw gr 5 zinc triv rohs pack of 100 | 1575 | |
| Field Fas | IL | Hex Head Cap Screw | Grade 5 | Zinc/Yellow | 3/8-16 x 5/8 | 3/8-16x5/8 hex cap screw manufactured per asme b18.2.1 grade 5 sae j429 zinc plated yellow chromate astm f1941 fe/zn 8cn | 834 | |
| Irwin Ind | Ont | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 5/8 | 10-32 x 5/8 hex head cap screw 18.8 stainless steel b18.2.1 | 2230 | |
| Irwin Ind | Ont | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | 1/4-20 x 5/8 unc hex head capscrew stainless steel b18.2.1 | 3518 | |
| Irwin Ind | Ont | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 5/8 | 5/16-18 x 5/8 hex capscrew stainless steel b18.2.1 | 542 | |
| Irwin Ind | Ont | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20x5/8 unc grade 5 hhcs zinc b18.2.1 | 5000 | |
| BHAM | AL | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 3/8-16 x 5/8 | 3/8-16x5/8 grade 8 hex cap yz b18.2.1 | 700 | |
| BHAM | AL | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 1/4-20 x 5/8 | 1/4-20x5/8 hex c/s grade 8 yel zn b18.2.1 | 91 | |
| Ababa | CA | Hex Head Cap Screw | Grade 5 | Black Oxide | 1/4-20 x 5/8 | 1/4-20 x 5/8 h/c gr 5 blk ox wax b18.2.1 | 419 | |
| Ababa | CA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20 x 5/8 h/c gr 5 znc b18.2.1 | 2360 | |
| Ababa | CA | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 1/4-20 x 5/8 | 1/4-20 x 5/8 h/c dom gr 8 yel znc b18.2.1 | 2200 | |
| Ababa | CA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | 1/4-20 x 5/8 h/c s/s b18.2.1 | 1519 | |
| Ababa | CA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-28 x 5/8 | 1/4-28 x 5/8 h/c gr 5 znc b18.2.1 | 900 | |
| Ababa | CA | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 1/4-28 x 5/8 | 1/4-28 x 5/8 h/c dom gr 8 yel znc b18.2.1 | 182 | |
| Ababa | CA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28 x 5/8 | 1/4-28 x 5/8 h/c s/s b18.2.1 | 1697 | |
| Ababa | CA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 5/8 | 5/16-18 x 5/8 h/c gr 5 znc b18.2.1 | 820 | |
| Ababa | CA | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 5/8 | 5/16-18 x 5/8 h/c dom gr 8 yel znc b18.2.1 | 135 | |
| Ababa | CA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 5/8 | 5/16-18 x 5/8 h/c s/s b18.2.1 | 168 | |
| Ababa | CA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 3/8-16 x 5/8 | 3/8-16 x 5/8 h/c gr 5 znc b18.2.1 | 1050 | |
| Ababa | CA | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 3/8-16 x 5/8 | 3/8-16 x 5/8 h/c dom gr 8 yel znc b18.2.1 | 82 | |
| Ababa | CA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 5/8 | 3/8-16 x 5/8 h/c s/s b18.2.1 | 100 | |
| Ababa | CA | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 3/8-24 x 5/8 | 3/8-24 x 5/8 h/c dom gr 8 yel znc b18.2.1 | 494 | |
| Ababa | CA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 5/8 | 1/2-13 x 5/8 h/c s/s b18.2.1 | 5 | |
| Ababa | CA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20 x 5/8 h/c gr 5 znc b18.2.1 | 100 | |
| Ababa | CA | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 1/4-20 x 5/8 | 1/4-20 x 5/8 h/c dom gr 8 yel znc b18.2.1 | 400 | |
| Ababa | CA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | 1/4-20 x 5/8 h/c s/s b18.2.1 | 300 | |
| Ababa | CA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28 x 5/8 | 1/4-28 x 5/8 h/c s/s b18.2.1 | 500 | |
| Ababa | CA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 5/8 | 5/16-18 x 5/8 h/c gr 5 znc b18.2.1 | 100 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 2 | Plain | 1/4-20 x 5/8 | hex c/s SAE j429 asme b18.2.1 | 3,500 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 2 | Plain | 5/16-18 x 5/8 | hex c/s SAE j429 asme b18.2.1 | 2,000 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 2 | Plain | 3/8-16 x 5/8 | hex c/s SAE j429 asme b18.2.1 | 1,500 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 5 | Plain | 1/4-20 x 5/8 | hex c/s SAE j429 asme b18.2.1 | 3,500 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 5 | Plain | 5/16-18 x 5/8 | hex c/s SAE j429 asme b18.2.1 | 2,000 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 5 | Plain | 3/8-16 x 5/8 | hex c/s SAE j429 asme b18.2.1 | 1,500 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 5/8 | hex c/s SAE j429 zp asme b18.2.1 | 3,500 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 5/8 | hex c/s SAE j429 zp asme b18.2.1 | 2,000 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 3/8-16 x 5/8 | hex c/s SAE j429 zp asme b18.2.1 | 1,500 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-28 x 5/8 | hex c/s SAE j429 zp fine thread asme b18.2.1 | 3,500 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 5 | Zinc/Yellow | 1/4-20 x 5/8 | hex c/s SAE j429 zyd asme b18.2.1 | 3,500 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 8 | Plain | 1/4-20 x 5/8 | hex c/s SAE j429 asme b18.2.1 | 3,500 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 1/4-20 x 5/8 | hex c/s SAE j429 zyd asme b18.2.1 | 3,500 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 5/8 | hex c/s SAE j429 zyd asme b18.2.1 | 2,000 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 3/8-16 x 5/8 | hex c/s SAE j429 zyd asme b18.2.1 | 1,500 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 5 | Plain | 5/16-18 x 5/8 | hex c/s SAE j429 asme b18.2.1 (usa) | 1,800 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 5/8 | hex c/s SAE j429 zp asme b18.2.1 (usa) | 3,000 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 5/8 | hex c/s SAE j429 zp asme b18.2.1 (usa) | 1,800 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 3/8-16 x 5/8 | hex c/s SAE j429 zp asme b18.2.1 (usa) | 1,200 | |
| XL Screw | GA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-28 x 5/8 | hex c/s SAE j429 zp fine thread asme b18.2.1 (usa) | 3,000 | |
| Exim | S'pore | Hex Head Cap Screw | Steel | Zinc/Black | #10-24 x 5/8 | screw hex c/s headsteel black zn# 10-24 x 5/8 in b18.2.1 | 827 | |
| Exim | S'pore | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #10-24 x 5/8 | screw hex c/s head (trimmed head)s/s passivated#10-24 x 5/8 in b18.2.1 | 52917 | |
| Exim | S'pore | Hex Head Cap Screw | Steel | Zinc/Clear | #1/4-20 x 5/8 | screw hex c/s headsteel clear trivalent (part #249677-001)#1/4-20 x 5/8 in [rohs] b18.2.1 | 1000 | |
| IPC | VA | Hex Head Cap Screw | Grade 5 | Zinc/Yellow | 1/4-20 x 5/8 | 1/4-20x5/8 hex cap screw grade 5 steel zinc yellow asme b18.2.1 saej429 | 5,932 | |
| IPC | VA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 3/8-16 x 5/8 | 3/8-16x5/8 hex cap screw grade 5 steel cr3 zinc rohs asme b18.2.1 saej429 | 2,200 | |
| QFC | TX | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 5/8 | 3/8-16x5/8 hex c/s s/s f593 gr1 b18.2.1 | 100 | |
| QFC | TX | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 5/8 | 3/8-16x5/8 hex c/s s/s f593 gr1 b18.2.1 | 287 | |
| QFC | TX | Hex Head Cap Screw | Grade 2 | Plain | 3/8-16 x 5/8 | 3/8-16x5/8 hex cap screw grade 2 b18.2.1 | 1400 | |
| QFC | TX | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 5/8 | 1/2-13x5/8 hex c/s 18-8 100% domestic b18.2.1 | 4425 | |
QFC| TX | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 5/8 | 1/2-13x5/8 hex c/s 18-8 100% domestic b18.2.1 | 35 | |
| QFC | TX | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | 1/4-20x5/8 hex c/s 18-8 b18.2.1 | 236 | |
| QFC | TX | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | 1/4-20x5/8 hex c/s 18-8 b18.2.1 | 2000 | |
| QFC | TX | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | 1/4-20x5/8 hex c/s 18-8 b18.2.1 | 1500 | |
| QFC | TX | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | 1/4-20x5/8 hex c/s 18-8 b18.2.1 | 250 | |
| QFC | TX | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 5/8 | 5/16-18x5/8 hex c/s 18-8 b18.2.1 | 50 | |
| QFC | TX | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20x5/8 hex c/s gr2 zinc b18.2.1 | 5600 | |
| QFC | TX | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20x5/8 hex c/s gr5 zinc b18.2.1 | 1630 | |
| QFC | TX | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-28 x 5/8 | 1/4-28x5/8 hex c/s gr5 zinc b18.2.1 | 1500 | |
| QFC | TX | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 5/8 | 5/16-18x5/8 hex c/s gr5 zinc b18.2.1 | 664 | |
| QFC | TX | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 3/8-16 x 5/8 | 3/8-16x5/8 hex c/s gr5 zinc b18.2.1 | 609 | |
| QFC | TX | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 3/8-16 x 5/8 | 3/8-16x5/8 hex c/s gr5 zinc b18.2.1 | 3184 | |
| QFC | TX | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 3/8-16 x 5/8 | 3/8-16x5/8 hex c/s gr8 y/zinc b18.2.1 | 84 | |
| Cascade | OR | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 5/8 | hex c/s grad 5 b18.2.1 | 38000 | |
| B & K FAST | PA | Hex Head Cap Screw | Brass | Plain | 1/4-20 x 5/8 | 1/4-20 x 5/8 hex cap screws brass b18.2.1 | 87 | |
| B & K FAST | PA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20 x 5/8 hex cap screws gr 5 zinc b18.2.1 | 8529 | |
| B & K FAST | PA | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 3/8-16 x 5/8 | 3/8-16 x 5/8 hex cap screws gr 8 z yellow b18.2.1 | 2119 | |
| B & K FAST | PA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28 x 5/8 | 1/4-28 x 5/8 hex cap screws 18-8 stainless b18.2.1 | 81 | |
| B & K FAST | PA | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 1/4-28 x 5/8 | 1/4-28 x 5/8 hex cap screws 316 stainless b18.2.1 | 91 | |
| B & K FAST | PA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 5/8 | 3/8-16 x 5/8 hex cap screws 18-8 stainless b18.2.1 | 49 | |
| General F | MI | Hex Head Cap Screw | Steel | Zinc/Clear | 5/16-24 x 5/8 | 5/16-24 x .625 hhcs 5 zn b18.2.1 | 1350 | |
| BHAM | AL | Hex Head Cap Screw | Grade 5 | Plain | 5/16-18 x 5/8 | 5/16-18x5/8 hex c/s gr5 b18.2.1 | 3612 | |
| OSSCO | RI | Hex Head Cap Screw | Grade 8 | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20x5/8 hex cap screw grade 8 plated b18.2.1 | 200 | |
| OSSCO | RI | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28 x 5/8 | 1/4-28x5/8 hex cap screw 18-8 304 b18.2.1 | 100 | |
| OSSCO | RI | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 5/8 | 3/8-16x5/8 hex cap screw 18-8 304 b18.2.1 | 50 | |
| OSSCO | RI | Hex Head Cap Screw | Grade 5 | Plain | 7/16-14 x 5/8 | 7/16-14x5/8 hex cap screw grade 5 bl. ox. b18.2.1 | 276 | |
| QFC | TX | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 5/8 | 1/2-13x5/8 hex c/s 18-8 b18.2.1 | 1125 | |
| QFC | TX | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 5/16-18 x 5/8 | 5/16-18x5/8 hex c/s gr2 zinc b18.2.1 | 650 | |
| THRDFAST | AL | Hex Head Cap Screw | Brass | Plain | 1/4-20 x 5/8 | hex c/s b18.2.1 | 3082 | |
| Mid-Valley | CA | Hex Head Cap Screw | Grade 5 | Plain | 1/4-20 x 5/8 | hex head cap screw b18.2.1 | inquire | |
| THRDFAST | FL | Hex Head Cap Screw | Grade 2 | Plain | 1/4-20 x 5/8 | gr2 hex c/s b18.2.1 | 2,829 | |
| THRDFAST | FL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 3/8-16 x 5/8 | gr5 hex c/s b18.2.1 | 998 | |
| THRDFAST | FL | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 3/8-16 x 5/8 | gr8 hex c/s z&y b18.2.1 | 219 | |
| THRDFAST | FL | Hex Head Cap Screw | Brass | Plain | 3/8-16 x 5/8 | hex c/s b18.2.1 | 251 | |
| THRDFAST | FL | Hex Head Cap Screw | Brass | Plain | 1/4-20 x 5/8 | hex c/s b18.2.1 | 139 | |
| THRDFAST | FL | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 1/4-20 x 5/8 | gr8 hex c/s z&y b18.2.1 | 62 | |
| THRDFAST | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 5/8 | 18-8 ss hex c/s b18.2.1 | 4 | |
| THRDFAST | FL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 5/8 | hex c/s b18.2.1 | 58 | |
| THRDFAST | FL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 3/8-16 x 5/8 | gr5 hex c/s b18.2.1 | 29 | |
| THRDFAST | OK | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | 18-8 ss hex c/s b18.2.1 | 508 | |
| THRDFAST | FL | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 1/4-20 x 5/8 | gr8 hex c/s z&y b18.2.1 | 1,696 | |
| THRDFAST | TN | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 1/4-20 x 5/8 | gr2 hex c/s b18.2.1 | 2,554 | |
| THRDFAST | MS | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 5/8 | 18-8 ss hex c/s b18.2.1 | 29 | |
| THRDFAST | MS | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 1/4-20 x 5/8 | gr8 hex c/s z&y b18.2.1 | 101 | |
| KBS | TN | Hex Head Cap Screw | Silicon Bronze | Painted | 5/16-18 x 5/8 | 5/16-18 x 5/8 sil.bronze hex cap/s b18.2.1 | 200 | |
| KBS | TN | Hex Head Cap Screw | Grade 5 | Plain | 5/16-18 x 5/8 | 5/16-18 x 5/8 hex c/s w/patch gr 5 b18.2.1 | 2,600 | |
| KBS | TN | Hex Head Cap Screw | Grade 8 | Plain | 5/16-18 x 5/8 | 5/16-18 x 5/8 hex cap/s alloy gr-8 b18.2.1 | 9,851 | |
| KBS | TN | Hex Head Cap Screw | Grade 5 | Plain | 1/4-20 x 5/8 | 1/4-20 x 5/8 hex cap/s gr-5 b18.2.1 | 19,311 | |
| KBS | TN | Hex Head Cap Screw | Grade 8 | Plain | 1/4-20 x 5/8 | 1/4-20 x 5/8 hex cap/s alloy gr-8 b18.2.1 | 18,471 | |
| THRDFAST | AL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 5/8 | hex c/s b18.2.1 | 201000 | |
| THRDFAST | OK | Hex Head Cap Screw | Grade 5 | Plain | 5/16-18 x 5/8 | gr5 hex c/s b18.2.1 | 98 | |
| THRDFAST | AL | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 1/2-13 x 5/8 | t-316 ss hex c/s b18.2.1 | 50 | |
| THRDFAST | OK | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 5/8 | gr8 hex c/s z&y domestic b18.2.1 | 1008 | |
| THRDFAST | AL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 5/8 | 18-8 ss hex c/s b18.2.1 | 945 | |
| THRDFAST | AL | Hex Head Cap Screw | Grade 5 | Plain | 5/16-18 x 5/8 | gr5 hex c/s b18.2.1 | 377 | |
| THRDFAST | OK | Hex Head Cap Screw | Grade 5 | Plain | 1/4-20 x 5/8 | gr5 hex c/s b18.2.1 | 4,182 | |
| THRDFAST | AL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 5/8 | 18-8 ss hex c/s b18.2.1 | 424 | |
| THRDFAST | OK | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 3/8-16 x 5/8 | gr2 hex c/s b18.2.1 | 1,823 | |
| THRDFAST | MS | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 3/8-16 x 5/8 | t-316 ss hex c/s b18.2.1 | 36 | |
| THRDFAST | AL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 5/8 | 18-8 ss hex c/s b18.2.1 | 322 | |
| THRDFAST | MS | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | 18-8 ss hex c/s b18.2.1 | 4 | |
| THRDFAST | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 5/8 | 18-8 ss hex c/s b18.2.1 | 14 | |
| THRDFAST | OK | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 5/8 | gr5 hex c/s b18.2.1 | 374 | |
| THRDFAST | OK | Hex Head Cap Screw | Grade 5 | Galvanized | 1/4-20 x 5/8 | gr5 hex c/s hdg b18.2.1 | 32 | |
| WSB | KY | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 5/8 | screw hcs gr5 (zn) pat 1/4-20x5/8 b18.2.1 | 18,500 | |
| WSB | KY | Hex Head Cap Screw | Grade 5 | Black Oxide | 1/4-20 x 5/8 | screw hcs gr5 (bo) 1/4-20x5/8 b18.2.1 | 185,390 | |
| MMF | MI | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 5/8 | 5/16-18 x 5/8 grade 8 hhcs zinc yellow usa domestic b18.2.1 | 1800 | |
| MMF | MI | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 5/8 | 5/16-18 x 5/8 grade 8 hhcs zinc yellow usa domestic b18.2.1 | 1800 | |